36 active days
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Tracked flight number
UA421
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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1,080 mi avg per flight
2 hr 14 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 36 active days
Flights69
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Observed route footprint
Routes tracked as UA421
Directional airport pairings in Aug 20 – Sep 24, 2026.
Observed tail number assignments
Tail numbers tracked as UA421
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| A21N | 2 | 1 | 2,971 mi | Sep 21, 2026, 10:09 PM UTC | Sep 23, 2026, 12:51 AM UTC | |
| A21N | 2 | 1 | 2,952 mi | Aug 29, 2026, 10:09 PM UTC | Sep 18, 2026, 12:39 AM UTC | |
| A21N | 2 | 1 | 2,955 mi | Sep 10, 2026, 9:52 PM UTC | Sep 17, 2026, 1:01 AM UTC | |
| A21N | 2 | 1 | 3,039 mi | Sep 2, 2026, 10:04 PM UTC | Sep 10, 2026, 12:47 AM UTC | |
| A21N | 2 | 1 | 3,015 mi | Aug 21, 2026, 10:12 PM UTC | Sep 8, 2026, 1:12 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA421
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 |
|---|---|---|---|---|---|---|---|---|
| A21N | Airbus A321neo | 35 | 50.7% | 30 | 52,952 mi | 1 | Aug 20, 2026, 10:15 PM UTC | Sep 24, 2026, 12:41 AM UTC |
| B739 | Boeing 737-900 | 12 | 17.4% | 12 | 7,687 mi | 1 | Aug 29, 2026, 2:53 AM UTC | Sep 24, 2026, 4:38 AM UTC |
| B38M | Boeing 737 MAX 8 | 12 | 17.4% | 12 | 7,550 mi | 1 | Aug 20, 2026, 2:42 AM UTC | Sep 8, 2026, 4:12 AM UTC |
| B738 | Boeing 737-800 | 8 | 11.6% | 8 | 5,115 mi | 1 | Aug 21, 2026, 3:10 AM UTC | Sep 23, 2026, 4:38 AM UTC |
| B39M | Boeing 737 MAX 9 | 2 | 2.9% | 2 | 1,247 mi | 1 | Aug 26, 2026, 2:33 AM UTC | Sep 15, 2026, 4:13 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA421 within Aug 20 – Sep 24, 2026