34 active days
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Tracked flight number
UA503
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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948 mi avg per flight
2 hr 11 min average
Average across flights included in analytics
4 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 34 active days
Flights34
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Observed route footprint
Routes tracked as UA503
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 34 | 34 | 0 | 32,248 mi | 74 hr 23 min | Aug 20, 2026, 3:33 PM UTC | Sep 23, 2026, 4:54 PM UTC |
Observed tail number assignments
Tail numbers tracked as UA503
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B38M | 2 | 1 | 1,883 mi | Aug 23, 2026, 2:44 PM UTC | Sep 19, 2026, 7:46 PM UTC | |
| B38M | 2 | 1 | 1,904 mi | Aug 30, 2026, 3:58 PM UTC | Sep 13, 2026, 5:04 PM UTC | |
| B38M | 2 | 1 | 1,909 mi | Aug 27, 2026, 2:44 PM UTC | Sep 5, 2026, 4:57 PM UTC | |
| B38M | 1 | 1 | 960 mi | Sep 23, 2026, 2:45 PM UTC | Sep 23, 2026, 4:54 PM UTC | |
| B38M | 1 | 1 | 946 mi | Sep 22, 2026, 2:48 PM UTC | Sep 22, 2026, 5:03 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA503
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 | 27 | 79.4% | 24 | 25,654 mi | 1 | Aug 20, 2026, 3:33 PM UTC | Sep 23, 2026, 4:54 PM UTC |
| B739 | Boeing 737-900 | 3 | 8.8% | 3 | 2,823 mi | 1 | Aug 28, 2026, 2:44 PM UTC | Sep 11, 2026, 5:02 PM UTC |
| B738 | Boeing 737-800 | 2 | 5.9% | 2 | 1,917 mi | 1 | Aug 22, 2026, 2:48 PM UTC | Sep 6, 2026, 5:03 PM UTC |
| B39M | Boeing 737 MAX 9 | 2 | 5.9% | 2 | 1,854 mi | 1 | Aug 26, 2026, 2:43 PM UTC | Aug 31, 2026, 5:51 PM UTC |
Observation log
Flight observations
Latest 100 flights for UA503 within Aug 20 – Sep 24, 2026