36 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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36 active days
2,329 mi avg per flight
4 hr 21 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Observed route footprint
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 36 | 36 | 0 | 83,857 mi | 156 hr 37 min | Aug 20, 2026, 4:53 AM UTC | Sep 24, 2026, 9:28 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 |
|---|---|---|---|---|---|---|
| B39M | 2 | 1 | 4,720 mi | Sep 17, 2026, 5:00 AM UTC | Sep 21, 2026, 9:29 AM UTC | |
| B39M | 2 | 1 | 4,617 mi | Sep 11, 2026, 4:50 AM UTC | Sep 15, 2026, 9:14 AM UTC | |
| B39M | 2 | 1 | 4,721 mi | Aug 26, 2026, 4:55 AM UTC | Aug 31, 2026, 9:57 AM UTC | |
| B39M | 1 | 1 | 2,318 mi | Sep 24, 2026, 4:57 AM UTC | Sep 24, 2026, 9:28 AM UTC | |
| B39M | 1 | 1 | 2,340 mi | Sep 23, 2026, 5:05 AM UTC | Sep 23, 2026, 9:20 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 |
|---|---|---|---|---|---|---|---|---|
| B39M | Boeing 737 MAX 9 | 31 | 86.1% | 28 | 72,343 mi | 1 | Aug 20, 2026, 4:53 AM UTC | Sep 24, 2026, 9:28 AM UTC |
| B38M | Boeing 737 MAX 8 | 3 | 8.3% | 3 | 6,931 mi | 1 | Aug 30, 2026, 4:58 AM UTC | Sep 19, 2026, 9:36 AM UTC |
| B739 | Boeing 737-900 | 2 | 5.6% | 2 | 4,583 mi | 1 | Aug 23, 2026, 5:47 AM UTC | Aug 25, 2026, 9:45 AM UTC |
Observation log
Latest 100 flights for UA2129 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B39M | Sep 24, 2026, 4:57 AM UTC | Sep 24, 2026, 9:28 AM UTC | 4 hr 31 min | 2,318 mi | ||
| High · 100 | B39M | Sep 23, 2026, 5:05 AM UTC | Sep 23, 2026, 9:20 AM UTC | 4 hr 15 min | 2,340 mi | ||
| High · 100 |
| B39M |
| 1 |
| 1 |
| 2,296 mi |
| Sep 22, 2026, 5:29 AM UTC |
| Sep 22, 2026, 9:35 AM UTC |
| B39M | 1 | 1 | 2,366 mi | Sep 20, 2026, 5:06 AM UTC | Sep 20, 2026, 9:36 AM UTC |
| B38M | 1 | 1 | 2,301 mi | Sep 19, 2026, 5:15 AM UTC | Sep 19, 2026, 9:36 AM UTC |
| B39M | 1 | 1 | 2,343 mi | Sep 18, 2026, 5:27 AM UTC | Sep 18, 2026, 9:44 AM UTC |
| B39M | 1 | 1 | 2,394 mi | Sep 16, 2026, 4:48 AM UTC | Sep 16, 2026, 9:26 AM UTC |
| B39M | 1 | 1 | 2,286 mi | Sep 14, 2026, 5:39 AM UTC | Sep 14, 2026, 9:50 AM UTC |
| B39M | 1 | 1 | 2,311 mi | Sep 13, 2026, 4:51 AM UTC | Sep 13, 2026, 9:05 AM UTC |
| B38M | 1 | 1 | 2,310 mi | Sep 12, 2026, 4:56 AM UTC | Sep 12, 2026, 9:15 AM UTC |
| B39M | 1 | 1 | 2,469 mi | Sep 10, 2026, 4:52 AM UTC | Sep 10, 2026, 9:41 AM UTC |
| B39M | 1 | 1 | 2,294 mi | Sep 9, 2026, 4:56 AM UTC | Sep 9, 2026, 9:16 AM UTC |
| B39M | 1 | 1 | 2,293 mi | Sep 8, 2026, 5:26 AM UTC | Sep 8, 2026, 9:43 AM UTC |
| B39M | 1 | 1 | 2,386 mi | Sep 7, 2026, 4:53 AM UTC | Sep 7, 2026, 9:11 AM UTC |
| B39M | 1 | 1 | 2,327 mi | Sep 6, 2026, 4:56 AM UTC | Sep 6, 2026, 9:12 AM UTC |
| B39M | 1 | 1 | 2,339 mi | Sep 5, 2026, 6:11 AM UTC | Sep 5, 2026, 10:29 AM UTC |
| B39M | 1 | 1 | 2,307 mi | Sep 4, 2026, 5:01 AM UTC | Sep 4, 2026, 9:06 AM UTC |
| B39M | 1 | 1 | 2,287 mi | Sep 3, 2026, 5:07 AM UTC | Sep 3, 2026, 9:22 AM UTC |
| B39M | 1 | 1 | 2,311 mi | Sep 2, 2026, 4:49 AM UTC | Sep 2, 2026, 9:05 AM UTC |
| B39M | 1 | 1 | 2,316 mi | Sep 1, 2026, 4:58 AM UTC | Sep 1, 2026, 9:19 AM UTC |
| B38M | 1 | 1 | 2,320 mi | Aug 30, 2026, 4:58 AM UTC | Aug 30, 2026, 9:19 AM UTC |
| B39M | 1 | 1 | 2,311 mi | Aug 29, 2026, 4:57 AM UTC | Aug 29, 2026, 9:21 AM UTC |
| B39M | 1 | 1 | 2,290 mi | Aug 28, 2026, 5:08 AM UTC | Aug 28, 2026, 9:30 AM UTC |
| B39M | 1 | 1 | 2,318 mi | Aug 27, 2026, 4:55 AM UTC | Aug 27, 2026, 9:15 AM UTC |
| B739 | 1 | 1 | 2,285 mi | Aug 25, 2026, 5:28 AM UTC | Aug 25, 2026, 9:45 AM UTC |
| B39M | 1 | 1 | 2,344 mi | Aug 24, 2026, 5:08 AM UTC | Aug 24, 2026, 9:33 AM UTC |
| B739 | 1 | 1 | 2,298 mi | Aug 23, 2026, 5:47 AM UTC | Aug 23, 2026, 10:13 AM UTC |
| B39M | 1 | 1 | 2,326 mi | Aug 22, 2026, 5:09 AM UTC | Aug 22, 2026, 9:36 AM UTC |
| B39M | 1 | 1 | 2,317 mi | Aug 21, 2026, 6:02 AM UTC | Aug 21, 2026, 10:25 AM UTC |
| B39M | 1 | 1 | 2,398 mi | Aug 20, 2026, 4:53 AM UTC | Aug 20, 2026, 9:20 AM UTC |
| B39M |
| Sep 22, 2026, 5:29 AM UTC |
| Sep 22, 2026, 9:35 AM UTC |
| 4 hr 6 min |
| 2,296 mi |
| High · 100 | B39M | Sep 21, 2026, 5:11 AM UTC | Sep 21, 2026, 9:29 AM UTC | 4 hr 18 min | 2,383 mi |
| High · 100 | B39M | Sep 20, 2026, 5:06 AM UTC | Sep 20, 2026, 9:36 AM UTC | 4 hr 30 min | 2,366 mi |
| High · 100 | B38M | Sep 19, 2026, 5:15 AM UTC | Sep 19, 2026, 9:36 AM UTC | 4 hr 21 min | 2,301 mi |
| High · 100 | B39M | Sep 18, 2026, 5:27 AM UTC | Sep 18, 2026, 9:44 AM UTC | 4 hr 17 min | 2,343 mi |
| High · 100 | B39M | Sep 17, 2026, 5:00 AM UTC | Sep 17, 2026, 9:22 AM UTC | 4 hr 23 min | 2,337 mi |
| High · 100 | B39M | Sep 16, 2026, 4:48 AM UTC | Sep 16, 2026, 9:26 AM UTC | 4 hr 38 min | 2,394 mi |
| High · 100 | B39M | Sep 15, 2026, 4:58 AM UTC | Sep 15, 2026, 9:14 AM UTC | 4 hr 16 min | 2,307 mi |
| High · 100 | B39M | Sep 14, 2026, 5:39 AM UTC | Sep 14, 2026, 9:50 AM UTC | 4 hr 11 min | 2,286 mi |
| High · 100 | B39M | Sep 13, 2026, 4:51 AM UTC | Sep 13, 2026, 9:05 AM UTC | 4 hr 14 min | 2,311 mi |
| High · 100 | B38M | Sep 12, 2026, 4:56 AM UTC | Sep 12, 2026, 9:15 AM UTC | 4 hr 19 min | 2,310 mi |
| High · 100 | B39M | Sep 11, 2026, 4:50 AM UTC | Sep 11, 2026, 9:16 AM UTC | 4 hr 26 min | 2,311 mi |
| High · 100 | B39M | Sep 10, 2026, 4:52 AM UTC | Sep 10, 2026, 9:41 AM UTC | 4 hr 50 min | 2,469 mi |
| High · 100 | B39M | Sep 9, 2026, 4:56 AM UTC | Sep 9, 2026, 9:16 AM UTC | 4 hr 20 min | 2,294 mi |
| High · 100 | B39M | Sep 8, 2026, 5:26 AM UTC | Sep 8, 2026, 9:43 AM UTC | 4 hr 17 min | 2,293 mi |
| High · 100 | B39M | Sep 7, 2026, 4:53 AM UTC | Sep 7, 2026, 9:11 AM UTC | 4 hr 18 min | 2,386 mi |
| High · 100 | B39M | Sep 6, 2026, 4:56 AM UTC | Sep 6, 2026, 9:12 AM UTC | 4 hr 16 min | 2,327 mi |
| High · 100 | B39M | Sep 5, 2026, 6:11 AM UTC | Sep 5, 2026, 10:29 AM UTC | 4 hr 18 min | 2,339 mi |
| High · 100 | B39M | Sep 4, 2026, 5:01 AM UTC | Sep 4, 2026, 9:06 AM UTC | 4 hr 5 min | 2,307 mi |
| High · 100 | B39M | Sep 3, 2026, 5:07 AM UTC | Sep 3, 2026, 9:22 AM UTC | 4 hr 15 min | 2,287 mi |
| High · 100 | B39M | Sep 2, 2026, 4:49 AM UTC | Sep 2, 2026, 9:05 AM UTC | 4 hr 16 min | 2,311 mi |
| High · 100 | B39M | Sep 1, 2026, 4:58 AM UTC | Sep 1, 2026, 9:19 AM UTC | 4 hr 20 min | 2,316 mi |
| High · 100 | B39M | Aug 31, 2026, 5:27 AM UTC | Aug 31, 2026, 9:57 AM UTC | 4 hr 30 min | 2,395 mi |
| High · 100 | B38M | Aug 30, 2026, 4:58 AM UTC | Aug 30, 2026, 9:19 AM UTC | 4 hr 22 min | 2,320 mi |
| High · 100 | B39M | Aug 29, 2026, 4:57 AM UTC | Aug 29, 2026, 9:21 AM UTC | 4 hr 25 min | 2,311 mi |
| High · 100 | B39M | Aug 28, 2026, 5:08 AM UTC | Aug 28, 2026, 9:30 AM UTC | 4 hr 22 min | 2,290 mi |
| High · 100 | B39M | Aug 27, 2026, 4:55 AM UTC | Aug 27, 2026, 9:15 AM UTC | 4 hr 20 min | 2,318 mi |
| High · 100 | B39M | Aug 26, 2026, 4:55 AM UTC | Aug 26, 2026, 9:12 AM UTC | 4 hr 17 min | 2,326 mi |
| High · 100 | B739 | Aug 25, 2026, 5:28 AM UTC | Aug 25, 2026, 9:45 AM UTC | 4 hr 17 min | 2,285 mi |
| High · 100 | B39M | Aug 24, 2026, 5:08 AM UTC | Aug 24, 2026, 9:33 AM UTC | 4 hr 25 min | 2,344 mi |
| High · 100 | B739 | Aug 23, 2026, 5:47 AM UTC | Aug 23, 2026, 10:13 AM UTC | 4 hr 26 min | 2,298 mi |
| High · 100 | B39M | Aug 22, 2026, 5:09 AM UTC | Aug 22, 2026, 9:36 AM UTC | 4 hr 27 min | 2,326 mi |
| High · 100 | B39M | Aug 21, 2026, 6:02 AM UTC | Aug 21, 2026, 10:25 AM UTC | 4 hr 23 min | 2,317 mi |
| High · 100 | B39M | Aug 20, 2026, 4:53 AM UTC | Aug 20, 2026, 9:20 AM UTC | 4 hr 27 min | 2,398 mi |
Global rankings
Among tracked flight numbers · Aug 20 – Sep 24, 2026