25 active days
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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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25 active days
1,509 mi avg per flight
3 hr 15 min average
Average across flights included in analytics
3 aircraft types
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 |
|---|---|---|---|---|---|---|---|
| 25 | 25 | 0 | 37,717 mi | 81 hr 9 min | Aug 21, 2026, 4:40 AM UTC | Sep 24, 2026, 8:04 AM UTC |
Observed tail number assignments
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 8 | 1 | 11,852 mi | Aug 21, 2026, 4:40 AM UTC | Sep 11, 2026, 8:26 AM UTC | |
| A321 | 3 | 1 | 4,568 mi | Aug 26, 2026, 4:20 AM UTC | Sep 19, 2026, 7:51 AM UTC | |
| A321 | 2 | 1 | 3,052 mi | Aug 23, 2026, 4:20 AM UTC | Sep 24, 2026, 8:04 AM UTC | |
| A321 | 2 | 1 | 3,054 mi | Sep 12, 2026, 4:24 AM UTC | Sep 16, 2026, 7:39 AM UTC | |
| A321 | 2 | 1 | 3,035 mi | Aug 25, 2026, 4:25 AM UTC | Sep 2, 2026, 7:59 AM UTC | |
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 |
|---|---|---|---|---|---|---|---|---|
| A321 | Airbus A321 | 15 | 60.0% | 9 | 22,904 mi | 1 | Aug 23, 2026, 4:20 AM UTC | Sep 24, 2026, 8:04 AM UTC |
| B738 | Boeing 737-800 | 9 | 36.0% | 2 | 13,275 mi | 1 | Aug 21, 2026, 4:40 AM UTC | Sep 13, 2026, 8:08 AM UTC |
| A320 | Airbus A320 | 1 | 4.0% | 1 | 1,538 mi | 1 | Sep 3, 2026, 4:20 AM UTC | Sep 3, 2026, 7:39 AM UTC |
Observation log
Latest 100 flights for AY991 within Aug 21 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | A321 | Sep 24, 2026, 4:34 AM UTC | Sep 24, 2026, 8:04 AM UTC | 3 hr 30 min | 1,534 mi | ||
| High · 100 | A321 | Sep 23, 2026, 4:16 AM UTC | Sep 23, 2026, 7:45 AM UTC | 3 hr 28 min | 1,559 mi | ||
| Limited · 84 | Route unverified |
| A321 |
| 2 |
| 1 |
| 3,064 mi |
| Aug 27, 2026, 4:25 AM UTC |
| Aug 29, 2026, 7:45 AM UTC |
| A321 | 1 | 1 | 1,559 mi | Sep 23, 2026, 4:16 AM UTC | Sep 23, 2026, 7:45 AM UTC |
| A321 | 1 | 1 | 1,558 mi | Sep 21, 2026, 4:28 AM UTC | Sep 21, 2026, 8:12 AM UTC |
| B738 | 1 | 1 | 1,423 mi | Sep 13, 2026, 4:56 AM UTC | Sep 13, 2026, 8:08 AM UTC |
| A321 | 1 | 1 | 1,464 mi | Sep 10, 2026, 4:24 AM UTC | Sep 10, 2026, 7:25 AM UTC |
| A320 | 1 | 1 | 1,538 mi | Sep 3, 2026, 4:20 AM UTC | Sep 3, 2026, 7:39 AM UTC |
| A321 | 1 | 1 | 1,551 mi | Aug 24, 2026, 4:28 AM UTC | Aug 24, 2026, 8:01 AM UTC |
| B738 |
| Sep 22, 2026, 4:28 AM UTC |
| Sep 22, 2026, 6:08 AM UTC |
| 1 hr 41 min |
| 802 mi |
| High · 100 | A321 | Sep 21, 2026, 4:28 AM UTC | Sep 21, 2026, 8:12 AM UTC | 3 hr 45 min | 1,558 mi |
| High · 100 | A321 | Sep 19, 2026, 4:42 AM UTC | Sep 19, 2026, 7:51 AM UTC | 3 hr 9 min | 1,506 mi |
| Low · 20 | Route unverified | A321 | Sep 18, 2026, 4:27 AM UTC | Sep 18, 2026, 7:42 AM UTC | 3 hr 15 min | 1,515 mi |
| Low · 20 | Route unverified | A321 | Sep 17, 2026, 4:28 AM UTC | Sep 17, 2026, 7:33 AM UTC | 3 hr 5 min | 1,491 mi |
| High · 100 | A321 | Sep 16, 2026, 4:20 AM UTC | Sep 16, 2026, 7:39 AM UTC | 3 hr 20 min | 1,534 mi |
| Limited · 84 | Route unverified | B738 | Sep 14, 2026, 4:44 AM UTC | Sep 14, 2026, 6:19 AM UTC | 1 hr 34 min | 735 mi |
| High · 100 | B738 | Sep 13, 2026, 4:56 AM UTC | Sep 13, 2026, 8:08 AM UTC | 3 hr 13 min | 1,423 mi |
| High · 100 | A321 | Sep 12, 2026, 4:24 AM UTC | Sep 12, 2026, 7:46 AM UTC | 3 hr 21 min | 1,520 mi |
| High · 100 | B738 | Sep 11, 2026, 5:06 AM UTC | Sep 11, 2026, 8:26 AM UTC | 3 hr 21 min | 1,532 mi |
| High · 100 | A321 | Sep 10, 2026, 4:24 AM UTC | Sep 10, 2026, 7:25 AM UTC | 3 hr 0 min | 1,464 mi |
| High · 100 | B738 | Sep 9, 2026, 4:42 AM UTC | Sep 9, 2026, 7:25 AM UTC | 2 hr 44 min | 1,306 mi |
| High · 100 | B738 | Sep 8, 2026, 4:24 AM UTC | Sep 8, 2026, 7:29 AM UTC | 3 hr 5 min | 1,512 mi |
| Limited · 84 | Route unverified | A321 | Sep 7, 2026, 4:25 AM UTC | Sep 7, 2026, 7:10 AM UTC | 2 hr 45 min | 1,308 mi |
| Limited · 84 | Route unverified | B738 | Sep 6, 2026, 4:31 AM UTC | Sep 6, 2026, 6:16 AM UTC | 1 hr 44 min | 802 mi |
| Limited · 84 | Route unverified | B738 | Sep 5, 2026, 4:41 AM UTC | Sep 5, 2026, 6:05 AM UTC | 1 hr 25 min | 717 mi |
| High · 100 | B738 | Sep 4, 2026, 4:25 AM UTC | Sep 4, 2026, 7:28 AM UTC | 3 hr 2 min | 1,511 mi |
| High · 100 | A320 | Sep 3, 2026, 4:20 AM UTC | Sep 3, 2026, 7:39 AM UTC | 3 hr 19 min | 1,538 mi |
| High · 100 | A321 | Sep 2, 2026, 4:39 AM UTC | Sep 2, 2026, 7:59 AM UTC | 3 hr 19 min | 1,509 mi |
| High · 100 | B738 | Sep 1, 2026, 4:25 AM UTC | Sep 1, 2026, 7:29 AM UTC | 3 hr 4 min | 1,517 mi |
| High · 100 | B738 | Aug 31, 2026, 4:33 AM UTC | Aug 31, 2026, 7:36 AM UTC | 3 hr 3 min | 1,513 mi |
| Low · 20 | Route unverified | A321 | Aug 30, 2026, 4:27 AM UTC | Aug 30, 2026, 7:45 AM UTC | 3 hr 17 min | 1,516 mi |
| High · 100 | A321 | Aug 29, 2026, 4:18 AM UTC | Aug 29, 2026, 7:45 AM UTC | 3 hr 28 min | 1,538 mi |
| High · 100 | A321 | Aug 28, 2026, 4:20 AM UTC | Aug 28, 2026, 7:37 AM UTC | 3 hr 18 min | 1,509 mi |
| High · 100 | A321 | Aug 27, 2026, 4:25 AM UTC | Aug 27, 2026, 7:45 AM UTC | 3 hr 21 min | 1,526 mi |
| High · 100 | A321 | Aug 26, 2026, 4:20 AM UTC | Aug 26, 2026, 7:44 AM UTC | 3 hr 24 min | 1,553 mi |
| High · 100 | A321 | Aug 25, 2026, 4:25 AM UTC | Aug 25, 2026, 7:28 AM UTC | 3 hr 3 min | 1,526 mi |
| High · 100 | A321 | Aug 24, 2026, 4:28 AM UTC | Aug 24, 2026, 8:01 AM UTC | 3 hr 34 min | 1,551 mi |
| High · 100 | A321 | Aug 23, 2026, 4:20 AM UTC | Aug 23, 2026, 7:28 AM UTC | 3 hr 8 min | 1,518 mi |
| High · 100 | B738 | Aug 22, 2026, 4:33 AM UTC | Aug 22, 2026, 7:40 AM UTC | 3 hr 7 min | 1,451 mi |
| High · 100 | B738 | Aug 21, 2026, 4:40 AM UTC | Aug 21, 2026, 7:43 AM UTC | 3 hr 3 min | 1,511 mi |
| Limited · 84 | Route unverified | B738 | Aug 20, 2026, 4:32 AM UTC | Aug 20, 2026, 5:57 AM UTC | 1 hr 25 min | 741 mi |
Global rankings
Among tracked flight numbers · Aug 21 – Sep 24, 2026