UAL1263

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Ontario International Airport (ONT) — Ontario, United States

Departed

2026-09-23 20:25 UTC

Arrival

Denver International Airport (DEN) — Denver, United States

Distance flown

1473 km

Straight-line distance

1316 km

Approach distance

34 km

Aircraft

Registration

N77581

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)

Altitude & speed

Max altitude

31,000 ft

Max ground speed

504 kt

Tracked

2h 15m · 1,463 km

Altitude (ft, max 31,000)

Ground speed (kt, max 504)

Altitude (ft, max 31,000)

Ground speed (kt, max 504)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 20:30 UTC	UAL1263	ONT → DEN Ontario → Denver	N17433	Boeing 737 MAX 9	Completed	1413 km
2026-10-01 21:43 UTC	UAL1263	ONT → DEN Ontario → Denver	N37450	Boeing 737 MAX 9	Completed	568 km
2026-10-01 20:20 UTC	UAL1263	ONT → DEN Ontario → Denver	N37450	Boeing 737 MAX 9	Completed (landing confirmed by airport data)	~1438 km est. (748 km recorded)
2026-09-30 20:35 UTC	UAL1263	ONT → DEN Ontario → Denver	N17465	Boeing 737 MAX 9	Completed	1438 km
2026-09-29 20:33 UTC	UAL1263	ONT → DEN Ontario → Denver	N838UA	Airbus A319	Completed	1453 km
2026-09-28 20:28 UTC	UAL1263	ONT → DEN Ontario → Denver	N97424	Boeing 737 MAX 9	Completed	1463 km
2026-09-27 20:23 UTC	UAL1263	ONT → DEN Ontario → Denver	N17443	Boeing 737 MAX 9	Completed	1462 km
2026-09-26 20:34 UTC	UAL1263	ONT → DEN Ontario → Denver	N481UA	Airbus A320 233	Completed	1435 km
2026-09-25 21:21 UTC	UAL1263	ONT → DEN Ontario → Denver	N17432	Boeing 737 MAX 9	Completed	2205 km
2026-09-24 20:53 UTC	UAL1263	ONT → DEN Ontario → Denver	N17441	Boeing 737 MAX 9	Completed	1423 km
2026-09-23 20:25 UTC	UAL1263	ONT → DEN Ontario → Denver	N77581	Boeing 737 MAX 9	Completed	1473 km
2026-09-22 20:25 UTC	UAL1263	ONT → DEN Ontario → Denver	N17444	Boeing 737 MAX 9	Completed	1455 km
2026-09-21 20:13 UTC	UAL1263	ONT → DEN Ontario → Denver	N77543	Boeing 737 MAX 9	Completed	1436 km
2026-09-20 20:48 UTC	UAL1263	ONT → DEN Ontario → Denver	N17456	Boeing 737 MAX 9	Completed	1435 km
2026-09-19 20:14 UTC	UAL1263	ONT → DEN Ontario → Denver	N37562	Boeing 737 MAX 9	Completed	1575 km
2026-09-18 20:47 UTC	UAL1263	ONT → DEN Ontario → Denver	N37547	Boeing 737 MAX 9	Completed	2038 km
2026-09-17 20:18 UTC	UAL1263	ONT → DEN Ontario → Denver	N27520	Boeing 737 MAX 9	Completed	1562 km
2026-09-16 20:14 UTC	UAL1263	ONT → DEN Ontario → Denver	N37508	Boeing 737 MAX 9	Completed	1649 km
2026-09-15 20:31 UTC	UAL1263	ONT → DEN Ontario → Denver	N17425	Boeing 737 MAX 9	Completed	1540 km
2026-09-14 20:41 UTC	UAL1263	ONT → DEN Ontario → Denver	N77588	Boeing 737 MAX 9	Completed	1547 km
2026-09-13 20:25 UTC	UAL1263	ONT → DEN Ontario → Denver	N37567	Boeing 737 MAX 9	Completed	1585 km
2026-09-12 20:13 UTC	UAL1263	ONT → DEN Ontario → Denver	N17408	Boeing 737 MAX 9	Completed	1600 km
2026-09-11 20:16 UTC	UAL1263	ONT → DEN Ontario → Denver	N47570	Boeing 737 MAX 9	Completed	1518 km
2026-09-10 20:19 UTC	UAL1263	ONT → DEN Ontario → Denver	N17417	Boeing 737 MAX 9	Completed	1567 km
2026-09-09 20:21 UTC	UAL1263	ONT → DEN Ontario → Denver	N47446	Boeing 737 MAX 9	Completed	1471 km
2026-09-07 20:09 UTC	UAL1263	ONT → DEN Ontario → Denver	N17596	Boeing 737 MAX 9	Completed	1521 km
2026-09-06 20:35 UTC	UAL1263	ONT → DEN Ontario → Denver	N17557	Boeing 737 MAX 9	Completed	1485 km
2026-09-05 20:25 UTC	UAL1263	ONT → DEN Ontario → Denver	N17410	Boeing 737 MAX 9	Completed	1468 km
2026-09-03 20:09 UTC	UAL1263	ONT → DEN Ontario → Denver	N17452	Boeing 737 MAX 9	Completed	1554 km
2026-09-02 20:16 UTC	UAL1263	ONT → DEN Ontario → Denver	N47434	Boeing 737 MAX 9	Completed	1488 km
2026-09-01 20:05 UTC	UAL1263	ONT → DEN Ontario → Denver	N36476	Boeing 737-900	Completed	1490 km
2026-08-31 20:10 UTC	UAL1263	ONT → DEN Ontario → Denver	N77471	Boeing 737 MAX 9	Completed	1524 km
2026-08-30 20:19 UTC	UAL1263	ONT → DEN Ontario → Denver	N17593	Boeing 737 MAX 9	Completed	1603 km
2026-08-29 23:19 UTC	UAL1263	DEN → DEN Denver → Denver	N77590	Boeing 737 MAX 9	Completed	~6 km est. (4 km recorded)
2026-08-29 20:32 UTC	UAL1263	ONT → DEN Ontario → Denver	N77590	Boeing 737 MAX 9	Completed	2109 km
2026-08-28 20:54 UTC	UAL1263	ONT → DEN Ontario → Denver	N47446	Boeing 737 MAX 9	Completed	1998 km
2026-08-27 20:50 UTC	UAL1263	ONT → DEN Ontario → Denver	N17455	Boeing 737 MAX 9	Completed	1505 km
2026-08-26 20:29 UTC	UAL1263	ONT → DEN Ontario → Denver	N47434	Boeing 737 MAX 9	Completed	1864 km
2026-08-25 20:38 UTC	UAL1263	ONT → DEN Ontario → Denver	N17455	Boeing 737 MAX 9	Completed	1513 km
2026-08-24 20:52 UTC	UAL1263	ONT → DEN Ontario → Denver	N17425	Boeing 737 MAX 9	Completed	1819 km
2026-08-23 20:29 UTC	UAL1263	ONT → DEN Ontario → Denver	N17438	Boeing 737 MAX 9	Completed	1563 km
2026-08-23 02:30 UTC	UAL1263	COS → DEN Colorado Springs → Denver	N17431	Boeing 737 MAX 9	Completed	292 km
2026-08-22 23:15 UTC	UAL1263	COS → COS Colorado Springs → Colorado Springs	N17431	Boeing 737 MAX 9	Completed	~3 km est. (2 km recorded)
2026-08-22 20:29 UTC	UAL1263	ONT → COS Ontario → Colorado Springs	N17431	Boeing 737 MAX 9	Completed	2858 km
2026-08-21 20:37 UTC	UAL1263	ONT → DEN Ontario → Denver	N17594	Boeing 737-900	Completed	2107 km
2026-08-19 20:35 UTC	UAL1263	ONT → DEN Ontario → Denver	N17566	Boeing 737 MAX 9	Completed	2771 km
2026-08-18 20:36 UTC	UAL1263	ONT → DEN Ontario → Denver	N17443	Boeing 737 MAX 9	Completed	4424 km
2026-08-17 20:31 UTC	UAL1263	ONT → DEN Ontario → Denver	N77559	Boeing 737 MAX 9	Completed	1977 km
2026-08-16 20:32 UTC	UAL1263	ONT → DEN Ontario → Denver	N37449	Boeing 737 MAX 9	Completed	2081 km
2026-08-15 23:30 UTC	UAL1263	ONT → DEN Ontario → Denver	N17458	Boeing 737 MAX 9	Completed	~3999 km est. (2027 km recorded)