34 active days
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Tracked flight number
UA577
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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604 mi avg per flight
1 hr 20 min average
Average across flights included in analytics
3 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights63
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Observed route footprint
Routes tracked as UA577
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA577
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B737 | 3 | 1 | 2,752 mi | Aug 22, 2026, 12:09 PM UTC | Sep 20, 2026, 5:47 PM UTC | |
| B737 | 3 | 1 | 2,758 mi | Aug 30, 2026, 12:06 PM UTC | Sep 15, 2026, 3:23 PM UTC | |
| B737 | 3 | 2 | 1,386 mi | Sep 7, 2026, 5:23 PM UTC | Sep 12, 2026, 7:04 PM UTC | |
| B737 | 2 | 1 | 1,718 mi | Sep 14, 2026, 12:20 PM UTC | Sep 23, 2026, 2:06 PM UTC | |
| B737 | 2 | 2 | 1,167 mi | Aug 24, 2026, 12:07 PM UTC | Sep 19, 2026, 5:48 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA577
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 | 40 | 63.5% | 25 | 31,609 mi | 2 | Aug 20, 2026, 12:15 PM UTC | Sep 23, 2026, 2:06 PM UTC |
| B39M | Boeing 737 MAX 9 | 22 | 34.9% | 21 | 6,164 mi | 2 | Aug 20, 2026, 5:22 PM UTC | Sep 23, 2026, 6:19 PM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 1.6% | 1 | 287 mi | 1 | Sep 20, 2026, 7:27 PM UTC | Sep 20, 2026, 8:16 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA577 within Aug 20 – Sep 24, 2026