UAL2439

Flight

Status

Incomplete (signal lost)

Departure

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

Departed

2026-09-06 00:02 UTC

Arrival

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

Distance flown

1727 km

Straight-line distance

1491 km

Aircraft

Registration

N17427

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

38,025 ft

Max ground speed

492 kt

Tracked

2h 9m · 1,658 km

Altitude (ft, max 38,025)

Ground speed (kt, max 492)

Altitude (ft, max 38,025)

Ground speed (kt, max 492)

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 10:12 UTC	UAL2439	TPA → EWR Tampa → Newark	N27568	Boeing 737 MAX 9	Completed	1727 km
2026-10-01 10:21 UTC	UAL2439	TPA → EWR Tampa → Newark	N17591	Boeing 737 MAX 9	Completed	1771 km
2026-09-30 10:49 UTC	UAL2439	TPA → EWR Tampa → Newark	N17431	Boeing 737 MAX 9	Completed	1731 km
2026-09-29 10:21 UTC	UAL2439	TPA → EWR Tampa → Newark	N17550	Boeing 737 MAX 9	Completed	1746 km
2026-09-28 10:20 UTC	UAL2439	TPA → EWR Tampa → Newark	N17431	Boeing 737 MAX 9	Completed	1689 km
2026-09-27 10:06 UTC	UAL2439	TPA → EWR Tampa → Newark	N17596	Boeing 737 MAX 9	Completed	1670 km
2026-09-26 10:00 UTC	UAL2439	TPA → EWR Tampa → Newark	N37522	Boeing 737 MAX 9	Completed	1662 km
2026-09-24 10:19 UTC	UAL2439	TPA → EWR Tampa → Newark	N17467	Boeing 737 MAX 9	Completed	1674 km
2026-09-23 15:39 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37440	Boeing 737 MAX 9	Completed	1871 km
2026-09-22 15:36 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N27511	Boeing 737 MAX 9	Completed	1818 km
2026-09-20 15:22 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37522	Boeing 737 MAX 9	Completed	2074 km
2026-09-19 15:33 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N17300	Boeing 737 MAX 8	Completed	1889 km
2026-09-18 15:26 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N17403	Boeing 737 MAX 9	Completed	1949 km
2026-09-17 17:50 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37537	Boeing 737 MAX 9	Completed	1923 km
2026-09-16 15:42 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37563	Boeing 737 MAX 9	Completed	1940 km
2026-09-15 15:11 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37563	Boeing 737 MAX 9	Completed	1984 km
2026-09-14 15:09 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N47505	Boeing 737 MAX 9	Completed	1853 km
2026-09-13 15:26 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N17423	Boeing 737 MAX 9	Completed	1937 km
2026-09-12 15:28 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N892UA	Airbus A319	Completed	1983 km
2026-09-11 16:20 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37561	Boeing 737 MAX 9	Completed	1974 km
2026-09-10 15:19 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N37545	Boeing 737 MAX 9	Completed	1986 km
2026-09-09 15:37 UTC	UAL2439	PBI → EWR West Palm Beach → Newark	N87442	Boeing 737 MAX 9	Completed	1955 km
2026-09-07 23:31 UTC	UAL2439	ORD → IAH Chicago → Houston	N75425	Boeing 737-900	Incomplete (signal lost)	1807 km
2026-09-06 23:51 UTC	UAL2439	ORD → IAH Chicago → Houston	N27464	Boeing 737 MAX 9	Incomplete (signal lost)	1692 km
2026-09-06 00:02 UTC	UAL2439	ORD → IAH Chicago → Houston	N17427	Boeing 737 MAX 9	Incomplete (signal lost)	1727 km
2026-09-05 01:17 UTC	UAL2439	ORD → IAH Chicago → Houston	N47470	Boeing 737 MAX 9	Incomplete (signal lost)	1565 km
2026-09-04 00:36 UTC	UAL2439	ORD → IAH Chicago → Houston	N37563	Boeing 737 MAX 9	Incomplete (signal lost)	1623 km
2026-09-02 23:52 UTC	UAL2439	ORD → IAH Chicago → Houston	N27463	Boeing 737 MAX 9	Incomplete (signal lost)	1803 km
2026-09-01 23:27 UTC	UAL2439	ORD → IAH Chicago → Houston	N37504	Boeing 737 MAX 9	Incomplete (signal lost)	1795 km
2026-09-01 00:30 UTC	UAL2439	ORD → IAH Chicago → Houston	N17461	Boeing 737 MAX 9	Incomplete (signal lost)	1574 km
2026-08-30 23:36 UTC	UAL2439	ORD → IAH Chicago → Houston	N37440	Boeing 737 MAX 9	Completed	1609 km
2026-08-30 00:08 UTC	UAL2439	ORD → IAH Chicago → Houston	N17418	Boeing 737 MAX 9	Completed	1609 km
2026-08-28 23:55 UTC	UAL2439	ORD → IAH Chicago → Houston	N17589	Boeing 737 MAX 9	Completed (landing presumed)	1643 km
2026-08-27 23:42 UTC	UAL2439	ORD → IAH Chicago → Houston	N77578	Boeing 737 MAX 9	Incomplete (signal lost)	1638 km
2026-08-27 00:18 UTC	UAL2439	ORD → IAH Chicago → Houston	N17589	Boeing 737 MAX 9	Completed	1748 km
2026-08-26 00:02 UTC	UAL2439	ORD → IAH Chicago → Houston	N47524	Boeing 737 MAX 9	Incomplete (signal lost)	1587 km
2026-08-24 23:29 UTC	UAL2439	ORD → IAH Chicago → Houston	N77571	Boeing 737 MAX 9	Completed	1719 km
2026-08-24 01:00 UTC	UAL2439	ORD → IAH Chicago → Houston	N57466	Boeing 737 MAX 9	Completed	1578 km
2026-08-22 23:55 UTC	UAL2439	ORD → IAH Chicago → Houston	N17459	Boeing 737 MAX 9	Completed	2822 km
2026-08-22 00:15 UTC	UAL2439	ORD → ? Chicago → ?	N27519	Boeing 737 MAX 9	Incomplete (signal lost)	2719 km
2026-08-20 23:26 UTC	UAL2439	ORD → IAH Chicago → Houston	N37440	Boeing 737 MAX 9	Completed	2287 km
2026-08-19 23:41 UTC	UAL2439	ORD → IAH Chicago → Houston	N47570	Boeing 737 MAX 9	Completed	2419 km
2026-08-18 23:43 UTC	UAL2439	ORD → IAH Chicago → Houston	N27404	Boeing 737 MAX 9	Completed	2141 km
2026-08-18 00:28 UTC	UAL2439	ORD → IAH Chicago → Houston	N37556	Boeing 737 MAX 9	Completed	1927 km
2026-08-17 03:25 UTC	UAL2439	ORD → IAH Chicago → Houston	N57451	Boeing 737 MAX 9	Completed	2249 km
2026-08-15 23:45 UTC	UAL2439	ORD → ? Chicago → ?	N37508	Boeing 737 MAX 9	Incomplete (signal lost)	2272 km
2026-08-14 12:31 UTC	UAL2439	ORD → IAH Chicago → Houston	N17430	Boeing 737 MAX 9	Completed	10879 km
2026-08-14 01:03 UTC	UAL2439	ORD → IAH Chicago → Houston	N17407	Boeing 737 MAX 9	Completed	1650 km
2026-08-13 19:59 UTC	UAL2439	? → ORD ? → Chicago	N17407	Boeing 737 MAX 9	Completed	2614 km
2026-08-12 00:52 UTC	UAL2439	ORD → IAH Chicago → Houston	N17410	Boeing 737 MAX 9	Completed	2308 km