30 active days
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Tracked flight number
UA637
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 17 min average
Average across flights included in analytics
5 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 30 active days
Flights50
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Observed route footprint
Routes tracked as UA637
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 22 | 22 | 0 | 27,808 mi | 57 hr 60 min | Aug 20, 2026, 7:11 PM UTC | Sep 23, 2026, 9:51 PM UTC | |
| 17 | 17 | 0 | 22,808 mi | 47 hr 19 min | Aug 20, 2026, 12:38 PM UTC | Sep 21, 2026, 3:21 PM UTC | |
| 6 | 6 | 0 | 2,067 mi | 5 hr 1 min | Aug 23, 2026, 12:08 AM UTC | Sep 6, 2026, 1:50 AM UTC | |
| 5 | 5 | 0 | 1,311 mi | 3 hr 35 min | Sep 8, 2026, 11:51 PM UTC | Sep 23, 2026, 12:40 AM UTC |
Observed tail number assignments
Tail numbers tracked as UA637
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B738 | 3 | 1 | 3,753 mi | Aug 23, 2026, 7:16 PM UTC | Sep 4, 2026, 9:47 PM UTC | |
| B738 | 2 | 1 | 2,592 mi | Sep 3, 2026, 7:23 PM UTC | Sep 18, 2026, 10:02 PM UTC | |
| B737 | 2 | 1 | 2,557 mi | Sep 7, 2026, 12:38 PM UTC | Sep 14, 2026, 3:33 PM UTC | |
| B737 | 2 | 1 | 2,683 mi | Aug 28, 2026, 12:43 PM UTC | Sep 13, 2026, 3:28 PM UTC | |
| B738 | 1 | 1 | 1,320 mi | Sep 23, 2026, 7:12 PM UTC | Sep 23, 2026, 9:51 PM UTC | |
Observed aircraft types
Aircraft types tracked as UA637
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 |
|---|---|---|---|---|---|---|---|---|
| B738 | Boeing 737-800 | 29 | 58.0% | 26 | 34,280 mi | 3 | Aug 20, 2026, 12:38 PM UTC | Sep 23, 2026, 9:51 PM UTC |
| B737 | Boeing 737-700 | 10 | 20.0% | 8 | 13,283 mi | 1 | Aug 23, 2026, 12:33 PM UTC | Sep 21, 2026, 3:21 PM UTC |
| A320 | Airbus A320 | 5 | 10.0% | 5 | 1,311 mi | 1 | Sep 8, 2026, 11:51 PM UTC | Sep 23, 2026, 12:40 AM UTC |
| B739 | Boeing 737-900 | 3 | 6.0% | 3 | 4,086 mi | 1 | Aug 21, 2026, 12:42 PM UTC | Sep 20, 2026, 3:48 PM UTC |
| B38M | Boeing 737 MAX 8 | 3 | 6.0% | 3 | 1,033 mi | 1 | Aug 26, 2026, 12:18 AM UTC | Sep 3, 2026, 12:42 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA637 within Aug 20 – Sep 24, 2026