1 active day
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Analysis window
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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1 active day
549 mi avg per flight
1 hr 20 min average
Average across flights included in analytics
1 aircraft type
Tracked activity
Observed route footprint
Directional airport pairings in Aug 21 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | 549 mi | 1 hr 20 min | Aug 21, 2026, 9:19 AM UTC | Aug 21, 2026, 10:39 AM UTC |
Observed tail number assignments
Open a tail number for its complete tracked profile.
Observed aircraft types
Observed flights grouped by aircraft designator and matched to the aircraft reference catalog.
| Type | Aircraft name | Flights | Makeup | Tail numbers | Tracked distance | Routes | First observed | Last observed |
|---|---|---|---|---|---|---|---|---|
| B737 | Boeing 737-700 | 1 | 100.0% | 1 | 549 mi | 1 | Aug 21, 2026, 9:19 AM UTC | Aug 21, 2026, 10:39 AM UTC |
Observation log
Latest 100 flights for KL1663 within Aug 21 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| Low · 35 | Route unverified | E295 | Sep 20, 2026, 10:33 AM UTC | Sep 20, 2026, 10:33 AM UTC | 0 min | 0 mi | |
| Limited · 84 | Route unverified | E295 | Sep 7, 2026, 10:40 AM UTC | Sep 7, 2026, 11:07 AM UTC | 26 min | 143 mi | |
| Low · 35 | Route unverified | E295 |
| Sep 3, 2026, 10:47 AM UTC |
| Sep 3, 2026, 11:11 AM UTC |
| 23 min |
| 76.9 mi |
| Low · 35 | Route unverified | E295 | Sep 1, 2026, 10:52 AM UTC | Sep 1, 2026, 11:06 AM UTC | 14 min | 47 mi |
| Low · 35 | Route unverified | B737 | Aug 27, 2026, 10:01 AM UTC | Aug 27, 2026, 10:07 AM UTC | 5 min | 26.8 mi |
| Low · 35 | Route unverified | B737 | Aug 26, 2026, 9:20 AM UTC | Aug 26, 2026, 10:05 AM UTC | 45 min | 395 mi |
| Low · 35 | Route unverified | B737 | Aug 25, 2026, 9:37 AM UTC | Aug 25, 2026, 10:28 AM UTC | 51 min | 316 mi |
| Limited · 84 | Route unverified | B737 | Aug 24, 2026, 10:25 AM UTC | Aug 24, 2026, 10:38 AM UTC | 13 min | 45.3 mi |
| Low · 35 | Route unverified | E190 | Aug 22, 2026, 9:14 AM UTC | Aug 22, 2026, 9:21 AM UTC | 7 min | 44.5 mi |
| High · 100 | B737 | Aug 21, 2026, 9:19 AM UTC | Aug 21, 2026, 10:39 AM UTC | 1 hr 20 min | 549 mi |
Global rankings
Among tracked flight numbers · Aug 21 – Sep 24, 2026