5 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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5 active days
2,265 mi avg per flight
4 hr 31 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Observed route footprint
Directional airport pairings in Aug 30 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 1 | 1 | 0 | 1,054 mi | 2 hr 3 min | Sep 22, 2026, 12:50 AM UTC | Sep 22, 2026, 2:52 AM UTC | |
| 1 | 1 | 0 | 4,393 mi | 9 hr 1 min | Sep 20, 2026, 6:46 PM UTC | Sep 21, 2026, 3:47 AM UTC | |
| 1 | 1 | 0 | 4,045 mi | 7 hr 54 min | Sep 16, 2026, 7:47 AM UTC | Sep 16, 2026, 3:42 PM UTC | |
| 1 | 1 | 0 | 1,331 mi | 2 hr 39 min | Sep 2, 2026, 11:42 PM UTC | Sep 3, 2026, 2:21 AM UTC | |
| 1 | 1 | 0 | 504 mi | 59 min | Aug 30, 2026, 3:32 AM UTC | Aug 30, 2026, 4:31 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 |
|---|---|---|---|---|---|---|
| B38M | 1 | 1 | 1,054 mi | Sep 22, 2026, 12:50 AM UTC | Sep 22, 2026, 2:52 AM UTC | |
| B764 | 1 | 1 | 4,393 mi | Sep 20, 2026, 6:46 PM UTC | Sep 21, 2026, 3:47 AM UTC | |
| B763 | 1 | 1 | 4,045 mi | Sep 16, 2026, 7:47 AM UTC | Sep 16, 2026, 3:42 PM UTC | |
| B737 | 1 | 1 | 1,331 mi | Sep 2, 2026, 11:42 PM UTC | Sep 3, 2026, 2:21 AM UTC | |
| B739 | 1 | 1 | 504 mi | Aug 30, 2026, 3:32 AM UTC | Aug 30, 2026, 4:31 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 |
|---|---|---|---|---|---|---|---|---|
| B38M | Boeing 737 MAX 8 | 1 | 20.0% | 1 | 1,054 mi | 1 | Sep 22, 2026, 12:50 AM UTC | Sep 22, 2026, 2:52 AM UTC |
| B764 | Boeing 767-400 | 1 | 20.0% | 1 | 4,393 mi | 1 | Sep 20, 2026, 6:46 PM UTC | Sep 21, 2026, 3:47 AM UTC |
| B763 | Boeing 767-300 | 1 | 20.0% | 1 | 4,045 mi | 1 | Sep 16, 2026, 7:47 AM UTC | Sep 16, 2026, 3:42 PM UTC |
| B737 | Boeing 737-700 | 1 | 20.0% | 1 | 1,331 mi | 1 | Sep 2, 2026, 11:42 PM UTC | Sep 3, 2026, 2:21 AM UTC |
| B739 | Boeing 737-900 | 1 | 20.0% | 1 | 504 mi | 1 | Aug 30, 2026, 3:32 AM UTC | Aug 30, 2026, 4:31 AM UTC |
Observation log
Latest 100 flights for UA3923 within Aug 30 – Sep 24, 2026
| B764 |
| Sep 20, 2026, 6:46 PM UTC |
| Sep 21, 2026, 3:47 AM UTC |
| 9 hr 1 min |
| 4,393 mi |
| Limited · 84 | Route unverified | B78X | Sep 18, 2026, 10:37 AM UTC | Sep 18, 2026, 7:15 PM UTC | 8 hr 38 min | 4,401 mi |
| High · 100 | B763 | Sep 16, 2026, 7:47 AM UTC | Sep 16, 2026, 3:42 PM UTC | 7 hr 54 min | 4,045 mi |
| Limited · 74 | Route unverified | B753 | Sep 12, 2026, 12:46 AM UTC | Sep 12, 2026, 2:54 AM UTC | 2 hr 8 min | 1,067 mi |
| Low · 35 | Route unverified | A320 | Sep 9, 2026, 2:43 PM UTC | Sep 9, 2026, 2:52 PM UTC | 10 min | 85.4 mi |
| Limited · 84 | Route unverified | B789 | Sep 6, 2026, 1:26 AM UTC | Sep 6, 2026, 2:49 AM UTC | 1 hr 23 min | 654 mi |
| High · 100 | B737 | Sep 2, 2026, 11:42 PM UTC | Sep 3, 2026, 2:21 AM UTC | 2 hr 39 min | 1,331 mi |
| High · 100 | B739 | Aug 30, 2026, 3:32 AM UTC | Aug 30, 2026, 4:31 AM UTC | 59 min | 504 mi |
| Limited · 84 | Route unverified | A320 | Aug 24, 2026, 3:43 PM UTC | Aug 24, 2026, 4:17 PM UTC | 34 min | 289 mi |
| Limited · 84 | Route unverified | B739 | Aug 23, 2026, 1:39 PM UTC | Aug 23, 2026, 2:01 PM UTC | 22 min | 172 mi |
| Limited · 84 | Route unverified | B763 | Aug 22, 2026, 2:15 PM UTC | Aug 22, 2026, 10:09 PM UTC | 7 hr 54 min | 3,851 mi |
Global rankings
Among tracked flight numbers · Aug 30 – Sep 24, 2026