30 active days
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Tracked flight number
UA1663
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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1,442 mi avg per flight
2 hr 53 min average
Average across flights included in analytics
4 aircraft types
Tracked activity
Aug 20 – Sep 24, 2026 · 30 active days
Flights35
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Observed route footprint
Routes tracked as UA1663
Directional airport pairings in Aug 20 – Sep 24, 2026.
| Route | Flights | Active days | Tail numbers | Tracked distance | Observed | First observed | Last observed |
|---|---|---|---|---|---|---|---|
| 35 | 30 | 0 | 50,473 mi | 100 hr 46 min | Aug 21, 2026, 1:31 AM UTC | Sep 24, 2026, 2:12 AM UTC |
Observed tail number assignments
Tail numbers tracked as UA1663
Open a tail number for its complete tracked profile.
| Tail number | Type | Flights | Routes | Tracked distance | First observed | Last observed |
|---|---|---|---|---|---|---|
| B39M | 2 | 1 | 3,133 mi | Aug 24, 2026, 11:15 PM UTC | Sep 5, 2026, 3:11 AM UTC | |
| B39M | 1 | 1 | 1,392 mi | Sep 23, 2026, 11:16 PM UTC | Sep 24, 2026, 2:12 AM UTC | |
| B39M | 1 | 1 | 1,368 mi | Sep 22, 2026, 11:48 PM UTC | Sep 23, 2026, 2:25 AM UTC | |
| B39M | 1 | 1 | 1,391 mi | Sep 21, 2026, 11:47 PM UTC | Sep 22, 2026, 2:28 AM UTC | |
| B39M | 1 | 1 | 1,384 mi | Sep 20, 2026, 11:26 PM UTC | Sep 21, 2026, 2:10 AM UTC | |
Observed aircraft types
Aircraft types tracked as UA1663
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 |
|---|---|---|---|---|---|---|---|---|
| B39M | Boeing 737 MAX 9 | 29 | 82.9% | 28 | 41,865 mi | 1 | Aug 21, 2026, 1:31 AM UTC | Sep 24, 2026, 2:12 AM UTC |
| B38M | Boeing 737 MAX 8 | 2 | 5.7% | 2 | 2,968 mi | 1 | Aug 21, 2026, 11:32 PM UTC | Sep 20, 2026, 2:01 AM UTC |
| B739 | Boeing 737-900 | 2 | 5.7% | 2 | 2,809 mi | 1 | Aug 29, 2026, 11:28 PM UTC | Sep 17, 2026, 2:14 AM UTC |
| B738 | Boeing 737-800 | 2 | 5.7% | 2 | 2,832 mi | 1 | Aug 22, 2026, 11:29 PM UTC | Sep 13, 2026, 2:04 AM UTC |
Observation log
Flight observations
Latest 100 flights for UA1663 within Aug 20 – Sep 24, 2026
| Confidence | Route | Tail number | Aircraft | First observed | Last observed | Observed | Tracked distance |
|---|---|---|---|---|---|---|---|
| High · 100 | B39M | Sep 23, 2026, 11:16 PM UTC | Sep 24, 2026, 2:12 AM UTC | 2 hr 56 min | 1,392 mi | ||
| High · 100 | B39M | Sep 22, 2026, 11:48 PM UTC | Sep 23, 2026, 2:25 AM UTC | 2 hr 37 min | 1,368 mi | ||
| High · 100 |