30 active days
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Tracked flight number
UA403
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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943 mi avg per flight
2 hr 1 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 30 active days
Flights33
Aug 20
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Observed route footprint
Routes tracked as UA403
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA403
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B737 | 5 | 1 | 2,163 mi | Sep 14, 2026, 12:10 AM UTC | Sep 23, 2026, 12:43 AM UTC | |
| B737 | 2 | 1 | 881 mi | Sep 8, 2026, 11:46 PM UTC | Sep 24, 2026, 1:14 AM UTC | |
| B739 | 2 | 1 | 2,636 mi | Sep 2, 2026, 8:44 PM UTC | Sep 7, 2026, 12:46 AM UTC | |
| B738 | 1 | 1 | 520 mi | Sep 22, 2026, 12:01 AM UTC | Sep 22, 2026, 1:18 AM UTC | |
| B737 | 1 | 1 | 428 mi | Sep 18, 2026, 11:43 PM UTC | Sep 19, 2026, 12:42 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA403
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 |
|---|---|---|---|---|---|---|---|---|
| B739 | Boeing 737-900 | 14 | 42.4% | 13 | 18,344 mi | 2 | Aug 20, 2026, 9:08 PM UTC | Sep 10, 2026, 2:54 AM UTC |
| B737 | Boeing 737-700 | 10 | 30.3% | 5 | 4,287 mi | 1 | Sep 8, 2026, 11:46 PM UTC | Sep 24, 2026, 1:14 AM UTC |
| B738 | Boeing 737-800 | 4 | 12.1% | 4 | 3,465 mi | 2 | Aug 29, 2026, 10:20 PM UTC | Sep 22, 2026, 1:18 AM UTC |
| B39M | Boeing 737 MAX 9 | 4 | 12.1% | 4 | 4,607 mi | 2 | Aug 21, 2026, 9:04 PM UTC | Sep 13, 2026, 12:42 AM UTC |
| B38M | Boeing 737 MAX 8 | 1 | 3.0% | 1 | 430 mi | 1 | Sep 18, 2026, 1:25 AM UTC | Sep 18, 2026, 2:26 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA403 within Aug 20 – Sep 24, 2026