Tail record, Cessna Citation Latitude, United States register
Flown about as much as most Citation Latitudes: inside the middle half of its type.
01
Flown less often than 52% of Citation Latitudes, by flights a month.
Tracked flights
475
in the twelve months, about 40 a month
Busiest Citation Latitudes
226th
of 434 tracked, by flights a month
Estimated hours
≈682
in the twelve months, from time in the air
Flights a month, every tracked Citation Latitude
02
N639QS flew more than the middle half of the fleet in 8 of 12 months. Its busiest month was June 2026, with 62 flights.
Its busiest month was June 2026, with 62 flights, and its quietest February 2026, with 22. The record has 226 tracking gaps, so about one flight in 2 may be missing and every count is a minimum.
03
Each measure against all 434 tracked Citation Latitudes. Every dot is one aircraft; the gold one is N639QS.
Chapter 4
Typical for its type
How hard has it been used?
Used at about the rate of most of the fleet, so its maintenance intervals have been used up at a normal pace.
Flights a monthLead measure. 48th percentile
31.3middle Citation Latitude 31.6
Days flown a month49th percentile
14.8 dmiddle Citation Latitude 14.8 d
Estimated hours a year60th percentile
≈546 hrmiddle Citation Latitude ≈508 hr
Harsher means harder on the aircraft than three quarters of Citation Latitudes; typical is the middle half. Percentiles compare this aircraft with every tracked Citation Latitude, over its record since 1 Jan 2025.
04
The fleet is shown, and whether N639QS sits inside its middle half. Its grades and values are in the full report.
Chapter 1
Hours per landing, middle Citation Latitude: 1.4 : 1
Also graded: short hops. Leg length is shown as context.
N639QS sits outside the middle half, on one side or the other. Its grade and exact place are in the full report.
Unlock this chapterChapter 2
Salt air, middle Citation Latitude: 8%
Also graded: damp air, freeze–thaw, near the coast and moisture in the air.
N639QS sits outside the middle half, on one side or the other. Its grade and exact place are in the full report.
Unlock this chapterChapter 3
Short runways, middle Citation Latitude: 3%
Also graded: hot, high takeoffs; density altitude; dust and dry climate.
N639QS sits inside the middle half. Its grade and exact place are in the full report.
Unlock this chapter05
All four chapters, every flight since January 2025 leg by leg, and the one thing to ask the seller.
Page one
Every chapter has this table, with a note on any assumption behind it.
days
Ask for
N639QS, Cessna Citation Latitude
$395one aircraft
Weighing it against other Citation Latitudes? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.
06
The Aircraft Ledger. “N639QS: how this Cessna Citation Latitude is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n639qs
About 682 estimated hours in the 12 months to 31 Jul 2026, across 475 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.
N639QS made 475 tracked flights in the 12 months to 31 Jul 2026, about 40 a month, and flew on about 17 days in each month it flew.
13 of its 475 tracked flights in the 12 months to 31 Jul 2026, 3%, crossed a border.
It was last tracked in July 2026. We publish an aircraft’s flights seven days after they happen, and show them by month only.
We leave out airports, bases and exact dates on purpose. We show how an aircraft has been used, not where it goes.
All four graded chapters (Fatigue, Corrosion, Engines and brakes, and Utilization), each against the tracked Citation Latitudes, plus the operational summary and operating rhythm, as a PDF, CSV and share link. It costs $395, or $995 a month for unlimited reports and Spotlight.
Method: flight data, every count a minimum. Estimated hours from time in the air. About our data
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Not a substitute for a pre-purchase inspection or records review. TailCheck shows how an aircraft has been used, not its condition.