The Aircraft LedgerCheck a tail

Tail record, Cessna Citation Latitude, United States register

N645QS: how this Cessna Citation Latitude is flown

A busy Citation Latitude: flown more than three quarters of its type.

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Figures are for the twelve months to 31 Jul 2026; named aircraft are shown a week behind. Grades compare its record since 1 Jan 2025 with every tracked Citation Latitude.

01

How N645QS compares.

Busier than 82% of Citation Latitudes, by flights a month.

Tracked flights

419

in the twelve months, about 35 a month

Busiest Citation Latitudes

79th

of 434 tracked, by flights a month

Estimated hours

≈551

in the twelve months, from time in the air

Flights a month, every tracked Citation Latitude

02

Month by month.

N645QS flew more than the middle half of the fleet in 6 of 12 months. Its busiest month was June 2026, with 67 flights.

Tracked flights

Its busiest month was June 2026, with 67 flights. It did not fly in October 2025. The record has 183 tracking gaps, so about one flight in 2 may be missing and every count is a minimum.

Source: The Aircraft Ledger, flight data for N645QS, the twelve months to 31 Jul 2026. Flight counts only: airports and exact dates are left out of this page.

03

The free chapter.

Each measure against all 434 tracked Citation Latitudes. Every dot is one aircraft; the gold one is N645QS.

Chapter 4

Utilization

Harsher than its type

How hard has it been used?

Heavy use means more of its maintenance intervals have been used up. Worth checking where it sits in its inspection cycle before a pre-buy.

  • Flights a monthLead measure. 82nd percentile

    36.6middle Citation Latitude 31.6

  • Days flown a month79th percentile

    16.9 dmiddle Citation Latitude 14.8 d

  • Estimated hours a year76th percentile

    ≈593 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

What only the report shows.

The fleet is shown, and whether N645QS sits inside its middle half. Its grades and values are in the full report.

Chapter 1

Fatigue

Hours per landing, middle Citation Latitude: 1.4 : 1

Also graded: short hops. Leg length is shown as context.

N645QS sits inside the middle half. Its grade and exact place are in the full report.

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Chapter 2

Corrosion

Salt air, middle Citation Latitude: 8%

Also graded: damp air, freeze–thaw, near the coast and moisture in the air.

N645QS sits inside the middle half. Its grade and exact place are in the full report.

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Chapter 3

Engines and brakes

Short runways, middle Citation Latitude: 3%

Also graded: hot, high takeoffs; density altitude; dust and dry climate.

N645QS sits inside the middle half. Its grade and exact place are in the full report.

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05

The full report on N645QS.

All four chapters, every flight since January 2025 leg by leg, and the one thing to ask the seller.

TailCheck report

N645QS, Cessna Citation Latitude

$395one aircraft

  • All four chapters, graded
  • The one thing to ask, with records to request
  • Every flight since January 2025, leg by leg
  • Its weekly and seasonal rhythm
  • PDF, CSV and a share link; open for three months, kept up to date
Unlock the full report

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Weighing it against other Citation Latitudes? Put it on a Spotlight board with up to four others. Included with Unlimited, $995 a month.

06

Questions about N645QS.

Cite this data

The Aircraft Ledger. “N645QS: how this Cessna Citation Latitude is flown.” Data through 31 Jul 2026. theaircraftledger.com/aircraft/n645qs

How many hours does N645QS fly a year?

About 551 estimated hours in the 12 months to 31 Jul 2026, across 419 tracked flights. Hours are estimated from time in the air, so the logbook has the exact figure.

How often is N645QS flown?

N645QS made 419 tracked flights in the 12 months to 31 Jul 2026, about 35 a month, and flew on about 16 days in each month it flew.

Does N645QS fly internationally?

13 of its 419 tracked flights in the 12 months to 31 Jul 2026, 3%, crossed a border.

When did N645QS last fly?

It was last tracked in July 2026. We publish an aircraft’s flights seven days after they happen, and show them by month only.

Why don’t you show which airports N645QS uses?

We leave out airports, bases and exact dates on purpose. We show how an aircraft has been used, not where it goes.

What’s in the full TailCheck report for N645QS?

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.

Fleet statisticsWhat’s normal for a Cessna Citation LatitudeBuyer’s guideWhat to check before buying a used Citation LatitudeSpotlightCompare N645QS with other Citation Latitudes

Method: flight data, every count a minimum. Estimated hours from time in the air. About our data

Owners and operators can ask us not to publish an aircraft. Data policy and opt-out

Not a substitute for a pre-purchase inspection or records review. TailCheck shows how an aircraft has been used, not its condition.