UAL1231

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

Chicago O'Hare International Airport (ORD) — Chicago, United States

Est. departure time

2026-09-12 12:28 UTC (approx.)

Arrival

George Bush Intercontinental Houston Airport (IAH) — Houston, United States

Distance flown

1634 km

Straight-line distance

1491 km

Approach distance

89 km

Aircraft

Registration

N39415

Type

Boeing 737-900

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude

38,025 ft

Max ground speed

485 kt

Tracked

2h 1m · 1,555 km

Altitude (ft, max 38,025)

Ground speed (kt, max 485)

Altitude (ft, max 38,025)

Ground speed (kt, max 485)

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
2026-10-03 12:49 UTC	UAL1231	ORD → IAH Chicago → Houston	N14527	Airbus A321 Neo	Completed (landing confirmed by airport data)	1612 km
2026-10-02 12:50 UTC	UAL1231	ORD → IAH Chicago → Houston	N37464	Boeing 737-900	Completed (landing confirmed by airport data)	1597 km
2026-10-01 13:00 UTC	UAL1231	ORD → IAH Chicago → Houston	N14554	Airbus A321 Neo	Completed (landing confirmed by airport data)	1624 km
2026-09-30 13:14 UTC	UAL1231	ORD → IAH Chicago → Houston	N74532	Airbus A321 Neo	Completed (landing presumed)	1627 km
2026-09-29 13:04 UTC	UAL1231	ORD → IAH Chicago → Houston	N14554	Airbus A321 Neo	Completed (landing presumed)	1608 km
2026-09-28 12:53 UTC	UAL1231	ORD → IAH Chicago → Houston	N17566	Boeing 737 MAX 9	Completed (landing presumed)	1598 km
2026-09-27 13:19 UTC	UAL1231	ORD → IAH Chicago → Houston	N24555	Airbus A321 Neo	Completed (landing presumed)	1557 km
2026-09-26 12:43 UTC	UAL1231	ORD → IAH Chicago → Houston	N54552	Airbus A321 Neo	Completed	1594 km
2026-09-25 12:57 UTC	UAL1231	ORD → IAH Chicago → Houston	N17406	Boeing 737 MAX 9	Completed (landing presumed)	1595 km
2026-09-24 12:51 UTC	UAL1231	ORD → IAH Chicago → Houston	N17596	Boeing 737 MAX 9	Completed (landing presumed)	1605 km
2026-09-23 13:01 UTC	UAL1231	ORD → IAH Chicago → Houston	N24568	Airbus A321 Neo	Completed	1604 km
2026-09-22 12:48 UTC	UAL1231	ORD → IAH Chicago → Houston	N14539	Airbus A321 Neo	Completed (landing presumed)	1710 km
2026-09-21 12:53 UTC	UAL1231	ORD → IAH Chicago → Houston	N14517	Airbus A321 Neo	Completed (landing presumed)	1557 km
2026-09-20 13:08 UTC	UAL1231	ORD → IAH Chicago → Houston	N24526	Airbus A321 Neo	Completed	1657 km
2026-09-19 13:42 UTC	UAL1231	ORD → IAH Chicago → Houston	N24537	Airbus A321 Neo	Completed	1811 km
2026-09-18 12:43 UTC	UAL1231	ORD → IAH Chicago → Houston	N14557	Airbus A321 Neo	Completed	1753 km
2026-09-17 13:18 UTC	UAL1231	ORD → IAH Chicago → Houston	N24537	Airbus A321 Neo	Completed	2078 km
2026-09-16 13:04 UTC	UAL1231	ORD → IAH Chicago → Houston	N14515	Airbus A321 Neo	Completed (landing presumed)	1853 km
2026-09-15 13:13 UTC	UAL1231	ORD → IAH Chicago → Houston	N14511	Airbus A321 Neo	Completed	1667 km
2026-09-14 12:58 UTC	UAL1231	ORD → IAH Chicago → Houston	N14536	Airbus A321 Neo	Completed	1668 km
2026-09-13 12:41 UTC	UAL1231	ORD → IAH Chicago → Houston	N14536	Airbus A321 Neo	Completed	1650 km
2026-09-12 12:45 UTC	UAL1231	ORD → IAH Chicago → Houston	N39415	Boeing 737-900	Completed	1634 km
2026-09-11 13:03 UTC	UAL1231	ORD → IAH Chicago → Houston	N37450	Boeing 737 MAX 9	Completed (landing presumed)	1974 km
2026-09-10 12:52 UTC	UAL1231	ORD → IAH Chicago → Houston	N14553	Airbus A321 Neo	Completed	1664 km
2026-09-09 12:57 UTC	UAL1231	ORD → IAH Chicago → Houston	N14553	Airbus A321 Neo	Completed	1717 km
2026-09-08 13:03 UTC	UAL1231	ORD → IAH Chicago → Houston	N14553	Airbus A321 Neo	Incomplete (signal lost)	~1548 km est. (69 km recorded)
2026-09-07 12:53 UTC	UAL1231	ORD → IAH Chicago → Houston	N67501	Boeing 737 MAX 9	Completed (landing presumed)	1637 km
2026-09-06 12:45 UTC	UAL1231	ORD → IAH Chicago → Houston	N27421	Boeing 737-900	Completed	1614 km
2026-09-05 12:59 UTC	UAL1231	ORD → IAH Chicago → Houston	N69824	Boeing 737-900	Completed	1642 km
2026-09-04 13:02 UTC	UAL1231	ORD → IAH Chicago → Houston	N47457	Boeing 737 MAX 9	Completed	1682 km
2026-09-03 12:51 UTC	UAL1231	ORD → IAH Chicago → Houston	N38467	Boeing 737-900	Completed	1662 km
2026-09-02 12:50 UTC	UAL1231	ORD → IAH Chicago → Houston	N37470	Boeing 737-900	Completed	1886 km
2026-09-01 12:50 UTC	UAL1231	ORD → IAH Chicago → Houston	N34455	Boeing 737-900	Completed (landing presumed)	1657 km
2026-08-31 13:03 UTC	UAL1231	ORD → IAH Chicago → Houston	N69885	Boeing 737-900	Completed	1753 km
2026-08-30 13:09 UTC	UAL1231	ORD → IAH Chicago → Houston	N37471	Boeing 737-900	Completed (landing presumed)	1556 km
2026-08-29 12:48 UTC	UAL1231	ORD → IAH Chicago → Houston	N68891	Boeing 737-900	Completed	1685 km
2026-08-28 12:49 UTC	UAL1231	ORD → IAH Chicago → Houston	N67845	Boeing 737-900	Completed	1603 km
2026-08-27 12:50 UTC	UAL1231	ORD → IAH Chicago → Houston	N38446	Boeing 737-900	Completed	1892 km
2026-08-26 12:43 UTC	UAL1231	ORD → IAH Chicago → Houston	N77588	Boeing 737 MAX 9	Completed	1677 km
2026-08-25 12:56 UTC	UAL1231	ORD → IAH Chicago → Houston	N37420	Boeing 737-900	Completed	1631 km
2026-08-24 12:49 UTC	UAL1231	ORD → IAH Chicago → Houston	N69816	Boeing 737-900	Completed	1903 km
2026-08-23 12:20 UTC	UAL1231	ORD → IAH Chicago → Houston	N17428	Boeing 737 MAX 9	Completed	2111 km
2026-08-22 12:54 UTC	UAL1231	ORD → IAH Chicago → Houston	N17566	Boeing 737 MAX 9	Completed	2200 km
2026-08-21 12:44 UTC	UAL1231	ORD → IAH Chicago → Houston	N28457	Boeing 737-900	Completed	2176 km
2026-08-19 12:46 UTC	UAL1231	ORD → IAH Chicago → Houston	N69813	Boeing 737-900	Completed	3195 km
2026-08-18 12:59 UTC	UAL1231	ORD → IAH Chicago → Houston	N62896	Boeing 737-900	Completed	4268 km
2026-08-16 12:48 UTC	UAL1231	ORD → IAH Chicago → Houston	N62896	Boeing 737-900	Completed	2564 km
2026-08-14 13:05 UTC	UAL1231	ORD → IAH Chicago → Houston	N69806	Boeing 737-900	Completed	~5325 km est. (2650 km recorded)
2026-08-13 12:51 UTC	UAL1231	ORD → IAH Chicago → Houston	N28457	Boeing 737-900	Completed	~3525 km est. (1998 km recorded)