Bombardier Challenger 600 series: how 501 jets are really flown
The busiest 5% made more than 27 flights a month and the quietest 5% fewer than 3: over nine times as many, on the same type.
The harder end, one aircraft in twenty, is at 21% or more; the easier end near none.
The harder end, one aircraft in twenty, is at 93% or more; the easier end near none.
The hardest-worked 5% log 27 flights a month or more; the easiest-used, 3 or less. The middle aircraft sits at 8.
Fatigue
What each landing and pressurization cycle costs the structure: landings per hour and short hops.
The middle Challenger 600 series flies 1.7 hours for every landing. One in twenty lands every 1.1 hours or sooner, the most cycles for its time.
Middle half 1.5–2.0 : 1Harder end: 5% at 1.1 : 1 or lessEasier end: 5% at 2.7 : 1 or more
Middle half 25–42%Harder end: 5% at 60% or moreEasier end: 5% at 13% or less
Middle half 392–683 nmLowest 5%: 213 nm or lessHighest 5%: 948 nm or more
Context, not graded: the tint marks the harder and easier end of the fleet.
Spread of trip lengths
All 501 Challenger 600 series aircraftThe data behind it
Every measure for the 501 North America Challenger 600 series aircraft, 1 Aug 2025 – 31 Jul 2026.| Measure | Fleet median | Middle half |
|---|---|---|
| Hours per landing Each aircraft’s average flight hours per landing | 1.7 : 1 | 1.5–2.0 : 1 |
| Short hops Share of legs under 300 nm | 34% | 25–42% |
| Leg length Median leg | 498 nm | 392–683 nm |
Corrosion
What the air around it does overnight: salt, damp and freeze–thaw.
The middle Challenger 600 series spends 2% of its nights within 2 km of the coast. One in twenty spends 18% or more of them there.
Middle half 0–6%Harder end: 5% at 18% or moreEasier end: 5% at 0%
Middle half 5.7–8.4 hHarder end: 5% at 11.2 h or moreEasier end: 5% at 3.1 h or less
Middle half 2–18%Harder end: 5% at 31% or moreEasier end: 5% at 0%
Context, not graded: the tint marks the harder and easier end of the fleet.
Salt air across the fleet
384 Challenger 600 series aircraftThe data behind it
Every measure for the 384 of the 501 North America Challenger 600 series aircraft with enough nights at known fields, 1 Aug 2025 – 31 Jul 2026 (6 on their record since 1 Jan 2025: too few in the 12 months).| Measure | Fleet median | Middle half |
|---|---|---|
| Salt air Nights within 2 km of the coast | 2% | 0–6% |
| Near the coast Nights within 10 km of the coast | 23% | 6–52% |
| Damp air Hours a day at 80% humidity or more, above freezing | 7.1 h | 5.7–8.4 h |
| Freeze–thaw Nights that froze and thawed within the day | 9% | 2–18% |
| Moisture in the air Average absolute humidity overnight | 9.3 g/m³ | 7.6–10.7 g/m³ |
Engines and brakes
What departures ask of engines, brakes and tires: heat and height, and runway length.
The middle Challenger 600 series leaves from a short runway on 38% of its departures. One in twenty does on 73% or more.
Middle half 22–53%Harder end: 5% at 73% or moreEasier end: 5% at 10% or less
Middle half 2–9%Harder end: 5% at 21% or moreEasier end: 5% at 0%
Middle half 990–1,763 ftHarder end: 5% at 2,911 ft or moreEasier end: 5% at 340 ft or less
Context, not graded: the tint marks the harder and easier end of the fleet.
Runway margin at departure
49,111 departuresThe data behind it
Every measure for the 500 of the 501 North America Challenger 600 series aircraft with enough departures we could assess, 1 Aug 2025 – 31 Jul 2026 (5 on their record since 1 Jan 2025: too few in the 12 months).| Measure | Fleet median | Middle half |
|---|---|---|
| Short runways Departures where the longest runway was under 1.25× the takeoff distance | 38% | 22–53% |
| Hot, high takeoffs Departures at 5,000 ft density altitude or more | 5% | 2–9% |
| Density altitude Typical density altitude at takeoff | 1,371 ft | 990–1,763 ft |
Utilization
How steadily the fleet is used: flights, flying days and estimated hours.
The middle Challenger 600 series made 8 flights a month. The busiest 5% made 27 or more, the quietest 3 or fewer.
Middle half 5.4–13.8Harder end: 5% at 27.3 or moreEasier end: 5% at 3.3 or less
Middle half 4.0–8.9Harder end: 5% at 14.7 or moreEasier end: 5% at 2.5 or less
Middle half 118–301 hHarder end: 5% at ≈568 h or moreEasier end: 5% at ≈65 h or less
Context, not graded: the tint marks the harder and easier end of the fleet.
Month by month
12 monthsMedian flights per aircraft that flew that month · darker bar is the busiest month, March 2026
The data behind it
Every measure for the 392 of the 501 North America Challenger 600 series aircraft with at least 40% of their flights tracked, 1 Aug 2025 – 31 Jul 2026.| Measure | Fleet median | Middle half |
|---|---|---|
| Flights a month In the months it flew | 8.2 | 5.4–13.8 |
| Days flown a month Days with at least one flight | 5.9 | 4.0–8.9 |
| Estimated hours a year From time in the air | ≈180 h | 118–301 h |
Buying, selling or financing a Challenger 600 series?
See where your Challenger 600 series sits in the fleet.
Enter a tail number to place it against these 501 aircraft. TailCheck grades it on Fatigue, Corrosion, Engines and brakes, and Utilization, with every percentile shown.
Where Challenger 600 series aircraft are based and fly
Toronto Pearson is home to more Challenger 600 series aircraft than any other field, 26 of the 373 with a home base.
Toronto Pearson–Teterboro is the busiest route: 339 flights by 84 different aircraft.
Where Challenger 600 series aircraft are based
| Field | Share | Aircraft |
|---|---|---|
| Toronto Pearson | 26 | |
| Teterboro | 19 | |
| Lawrence G. Hanscom | 15 | |
| Fort Lauderdale | 15 | |
| King | 11 | |
| Montreal-Pierre Elliott Trudeau | 9 |
Busiest Challenger 600 series routes
| Between | Flights |
|---|---|
| Toronto Pearson ⇄ Teterboro | 339 flights |
| Lawrence G. Hanscom ⇄ Teterboro | 283 |
| Washington Dulles ⇄ Teterboro | 262 |
| Montreal-Pierre Elliott Trudeau ⇄ Toronto Pearson | 241 |
| McCarran ⇄ Van Nuys | 206 |
| Palm Beach ⇄ Teterboro | 205 |
Longest Challenger 600 series flights
| Between | Distance · time |
|---|---|
| Birmingham → Kitchener/Waterloo | 3,048 nm · 7 h 52 min |
| Theodore Francis Green State → Amsterdam Schiphol | 3,034 nm · 6 h 42 min |
| Bangor → Aeroport Geneve-Cointrin | 3,030 nm · 6 h 19 min |
| Port-Menier → Vienna | 3,026 nm · 6 h 34 min |
| Theodore Francis Green State → Paris-Le Bourget | 3,023 nm · 6 h 23 min |
Busiest Challenger 600 series aircraft this year
The busiest Challenger 600 series made 35 flights a month, four times the middle aircraft.
Even the tenth on this list made 30.
Ranked by flights a month · updated monthly
| # | Tail | Variant | Flights a month | Estimated hours a year | Record |
|---|---|---|---|---|---|
| 1 | N262QS | Challenger 650 | 35 | 724 h | Check this tail → |
| 2 | N257QS | Challenger 650 | 34 | 608 h | Check this tail → |
| 3 | N265QS | Challenger 650 | 34 | 612 h | Check this tail → |
| 4 | N267QS | Challenger 650 | 31 | 607 h | Check this tail → |
| 5 | N251QS | Challenger 650 | 31 | 607 h | Check this tail → |
| 6 | N252QS | Challenger 650 | 31 | 541 h | Check this tail → |
| 7 | N260QS | Challenger 650 | 31 | 593 h | Check this tail → |
| 8 | N254QS | Challenger 650 | 31 | 659 h | Check this tail → |
| 9 | N249QS | Challenger 650 | 30 | 610 h | Check this tail → |
| 10 | N268QS | Challenger 650 | 30 | 595 h | Check this tail → |
Challenger 600 series vs other aircraft of its size
Medians for each North America fleet, same window and method.
It ranks 4th of 5 types in its size group on flights a month.
| Type | Tracked | Flights a month | Hours a year | Median leg | Hours per landing | Short hops |
|---|---|---|---|---|---|---|
| Bombardier Challenger 600 series | 501 | 8.2 | 180 h | 498 nm | 1.7 : 1 | 34% |
| Bombardier Challenger 300/350 | 755 | 9.8 | 194 h | 481 nm | 1.6 : 1 | 35% |
| Dassault Falcon 2000 | 409 | 6.5 | 135 h | 523 nm | 1.7 : 1 | 32% |
| Cessna Citation X | 256 | 10.5 | 195 h | 607 nm | 1.7 : 1 | 29% |
| Gulfstream G280 | 243 | 8.8 | 171 h | 489 nm | 1.6 : 1 | 34% |
Challenger 600 series vs Falcon 2000 →Challenger 600 series vs Praetor 600 →Challenger 600 series vs G650 →Challenger 600 series vs GIV →
Do older Challenger 600 series aircraft fly differently?
Age matters: by year built, the median Challenger 600 series in each band flew between 88 and 401 estimated hours a year.
Show the tableHide the table
| Serial block | Built | Tracked | Hours a year | Median leg | Short hops |
|---|---|---|---|---|---|
| 1041–5480 | 1982–93 | 36 | 88 h | 499 nm | 34% |
| 5144–5331 | 1994–96 | 28 | 144 h | 477 nm | 35% |
| 5333–5440 | 1997–99 | 45 | 117 h | 464 nm | 37% |
| 5441–6154 | 2000–02 | 43 | 118 h | 507 nm | 30% |
| 5558–5640 | 2003–05 | 32 | 141 h | 468 nm | 37% |
| 5608–5786 | 2006–08 | 43 | 143 h | 557 nm | 31% |
| 5759–5891 | 2009–11 | 45 | 139 h | 509 nm | 33% |
| 5892–5981 | 2012–14 | 24 | 166 h | 617 nm | 34% |
| 5645–6229 | 2015–25 | 85 | 401 h | 452 nm | 37% |
US-registered aircraft only: the FAA registry gives serial number and year of manufacture for 381 of the 501 we track. Built = year of manufacture. Avionics upgrades are fitted by modification and the registry doesn’t show them, so check an aircraft’s records.
Challenger 600 series: the variants on paper
One page covers all seven variants: the tracking data doesn’t tell them apart.
On paper they differ in weights and range. Certified figures come from the type certificate data sheet; the rest are the manufacturer’s.
| Measure | Challenger 604 | Challenger 605 | Challenger 650 | Source |
|---|---|---|---|---|
| Maximum takeoff weight (certified) | 47,600–48,200 lb | 48,200 lb | 48,200 lb | EASA TCDS EASA.IM.A.023 Issue 19, p.13 — Challenger 604: 47,600 lb (604 Variant, S/N 5301–5639) · 48,200 lb (604 Variant with SB 604-11-001) · 48,200 lb (604 Variant S/N 5640 and subsequent (incl. 605 and 650)) |
| Range (manufacturer) | ≈ 4,077 nm | ≈ 4,000 nm | ≈ 4,000 nm | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 605: Manufacturer (archived spec page, 6 Feb 2015); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
| Takeoff distance (manufacturer) | 5,699 ft | — | 5,640 ft | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
| Passengers | Up to 19 certified · manufacturer layouts 9–19 | Up to 19 certified · manufacturer layouts 9–12 | Up to 19 certified | EASA TCDS EASA.IM.A.023 Issue 19, p.15; Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 605: Manufacturer (archived spec page, 6 Feb 2015) |
| High-speed cruise (manufacturer) | Mach 0.82 | Mach 0.82 | Mach 0.82 | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 605: Manufacturer (archived spec page, 6 Feb 2015); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
| Length (manufacturer) | 68 ft 5 in | — | 68 ft 5 in | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
| Wingspan (manufacturer) | 64 ft 4 in | — | 64 ft 4 in | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
| Height (manufacturer) | 20 ft 8 in | — | 20 ft 8 in | Challenger 604: Manufacturer (brochure, 08/02 (Aug 2002)); Challenger 650: Manufacturer (spec page, Web page, retrieved 12 Oct 2026) |
Maximum ramp weight and fuel capacity aren’t shown. The EASA and UK certificates don’t state them; the FAA certificate does, and we haven’t cited it yet.
Chartering a Challenger 600 series
249 of the 501 North America Challenger 600 series aircraft we track are on our charter list (50%).
Charter aircraft flew a median 242 estimated hours a year on 10 flights a month; the rest flew 136 hours on 7.
Where charter Challenger 600 series aircraft are based
| Field | Share | Aircraft |
|---|---|---|
| Toronto Pearson | 19 | |
| Teterboro | 15 | |
| Fort Lauderdale | 10 | |
| Lawrence G. Hanscom | 9 | |
| Montreal-Pierre Elliott Trudeau | 4 | |
| Dallas Love | 4 |
Charter status is our own list, built from FAA records and public listings of charter aircraft. No charter rates: prices depend on the operator and the trip. Check a specific aircraft’s record with its tail number before you book.
Challenger 600 series questions
How many hours a year does a Challenger 600 series fly?
The median North America Challenger 600 series flies about 180 estimated hours a year; the middle half sits between 118 and 301. About 1 in 20 flies more than 568.
How often does a Challenger 600 series fly?
8 flights a month on 6 flying days at the median. About 1 in 20 makes more than 27 flights a month.
How long is a typical Challenger 600 series flight?
The median leg is 498 nm. About 1 in 20 aircraft average more than 948 nm a leg.
How often do Challenger 600 series aircraft use short runways?
At the median, 38% of departures are from fields whose longest runway is under 1.25 times the type’s takeoff distance. About 1 in 20 keep it to 10% or less.
Is a high-hours Challenger 600 series a bad buy?
Not by itself. High hours on long legs are gentler on the structure than the same hours on short hops. Look at hours per landing and short-hop share alongside hours.
Can a Challenger 600 series fly across the Atlantic?
Yes. The manufacturer quotes 4,077 nm for the Challenger 604 and 4,000 nm for the Challenger 605 and Challenger 650. In our tracking window, 135 of the 501 North America aircraft flew 393 nonstop crossings between the Americas and Europe or Africa. The busiest were Toronto Pearson–Dublin (47 flights), Bangor–Paris-Le Bourget (18 flights), Shannon–Teterboro (14 flights).
Where are most Challenger 600 series aircraft based?
In North America, Toronto Pearson is home to the most, followed by Teterboro and Lawrence G. Hanscom. A base is the field an aircraft touches on most of its flying days, month after month.
Cite this data
The Aircraft Ledger. “Bombardier Challenger 600 series fleet statistics.” Data to 31 July 2026. theaircraftledger.com/aircraft/bombardier/challenger-600
Method: Bombardier Challenger 600 series aircraft with most departures in North America and at least 20 tracked flights in the latest twelve full months. Flight measures, bases, routes and rankings use ADS-B tracking 1 Aug 2025 – 31 Jul 2026; corrosion and engines-and-brakes exposure use the same twelve months, or an aircraft’s record since 1 Jan 2025 when it had too few nights or departures in them. Estimated hours from time in the air. Tracking misses some flights, so counts and hours are minimums. ADS-B coverage grew over the window, so we don’t compare one year with the last. Tracking can’t tell one variant from another; the variant split, the busiest table’s variants and the age table use the FAA registry, so they cover US-registered aircraft only. We assume the longest runway at each field, so short-runway figures are conservative. Corrosion measures cover the aircraft we can place on enough nights. Charter status is our own list, built from FAA records and public listings of charter aircraft. About our data