35 active days
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Tracked flight number
UA277
Analysis window
Aug 20 – Sep 24, 2026
Every derived statistic, daily trend, route, tail number assignment, flight observation, and mapped path below uses this flight-date window.
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1,248 mi avg per flight
2 hr 31 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 35 active days
Flights39
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Observed route footprint
Routes tracked as UA277
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 32 | 32 | 0 | 46,245 mi | 92 hr 39 min | Aug 20, 2026, 5:26 PM UTC | Sep 23, 2026, 8:20 PM UTC | |
| 6 | 6 | 0 | 1,294 mi | 3 hr 25 min | Sep 8, 2026, 10:03 PM UTC | Sep 22, 2026, 10:34 PM UTC | |
| 1 | 1 | 0 | 1,137 mi | 2 hr 13 min | Sep 13, 2026, 5:51 PM UTC | Sep 13, 2026, 8:04 PM UTC |
Observed tail number assignments
Tail numbers tracked as UA277
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B39M | 1 | 1 | 1,426 mi | Sep 23, 2026, 5:22 PM UTC | Sep 23, 2026, 8:20 PM UTC | |
| B739 | 1 | 1 | 218 mi | Sep 22, 2026, 9:58 PM UTC | Sep 22, 2026, 10:34 PM UTC | |
| B39M | 1 | 1 | 1,438 mi | Sep 22, 2026, 5:27 PM UTC | Sep 22, 2026, 8:19 PM UTC | |
| B739 | 1 | 1 | 1,453 mi | Sep 21, 2026, 5:32 PM UTC | Sep 21, 2026, 8:18 PM UTC | |
| B39M | 1 | 1 | 1,447 mi | Sep 20, 2026, 5:19 PM UTC | Sep 20, 2026, 8:03 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA277
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 | 22 | 56.4% | 22 | 31,749 mi | 1 | Aug 20, 2026, 5:26 PM UTC | Sep 23, 2026, 8:20 PM UTC |
| B739 | Boeing 737-900 | 12 | 30.8% | 12 | 13,727 mi | 2 | Aug 22, 2026, 5:20 PM UTC | Sep 22, 2026, 10:34 PM UTC |
| B738 | Boeing 737-800 | 3 | 7.7% | 3 | 1,573 mi | 2 | Sep 9, 2026, 10:26 PM UTC | Sep 16, 2026, 10:26 PM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 2.6% | 1 | 1,412 mi | 1 | Sep 19, 2026, 5:29 PM UTC | Sep 19, 2026, 8:10 PM UTC |
| B737 | Boeing 737-700 | 1 | 2.6% | 1 | 215 mi | 1 | Sep 14, 2026, 10:03 PM UTC | Sep 14, 2026, 10:38 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA277 within Aug 20 – Sep 24, 2026