UAL2399

For travellers

Departure · Houston (IAH)

Terminal C · Gate E8

Scheduled 11:55 · Departed 12:15 · +20 min

Board status: Departed

Airborne since 12:54 (ADS-B)

Arrival · San Diego (SAN)

Gate 40 · Baggage belt T2-6

Scheduled 13:17 · Estimated 13:45 · +28 min

Board status: Delayed

In the air, ~50m to go (68% of the route flown)

Board data from houston, san, updated 25 min ago; times local to each airport.

Flight

Status

In progress

Departure

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

Scheduled departure

2026-10-03 16:55 UTC

Departed

2026-10-03 17:54 UTC

Arrival

San Diego International Airport (SAN) — San Diego, United States (scheduled)

Scheduled arrival

2026-10-03 20:17 UTC

Estimated arrival

2026-10-03 20:45 UTC

Progress

68% · ~50m remaining

Also flies as

UA2399

Distance flown

1429 km

Straight-line distance

2093 km

Aircraft

Registration

N53441

Type

Boeing 737-900

Seats

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

Altitude & speed

Max altitude

34,025 ft

Max ground speed

459 kt

Tracked

1h 50m · 1,429 km

Note

still in progress - the track so far

Altitude (ft, max 34,025)

Ground speed (kt, max 459)

Altitude (ft, max 34,025)

Ground speed (kt, max 459)

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 17:54 UTC	UAL2399	IAH → SAN Houston → San Diego	N53441	Boeing 737-900	In progress	~2093 km est.
2026-10-03 11:17 UTC	UAL2399	OMA → IAH Omaha → Houston	N76269	Boeing 737-800	Completed (landing confirmed by airport data)	1330 km
2026-10-02 18:11 UTC	UAL2399	IAH → SAN Houston → San Diego	N37521	Boeing 737 MAX 9	Completed	2129 km
2026-10-02 11:27 UTC	UAL2399	OMA → IAH Omaha → Houston	N76269	Boeing 737-800	Completed (landing presumed)	1395 km
2026-10-01 18:05 UTC	UAL2399	IAH → SAN Houston → San Diego	N37440	Boeing 737 MAX 9	Completed	2320 km
2026-10-01 11:14 UTC	UAL2399	OMA → IAH Omaha → Houston	N33264	Boeing 737-800	Completed (landing confirmed by airport data)	1536 km
2026-09-30 17:38 UTC	UAL2399	IAH → SAN Houston → San Diego	N77559	Boeing 737 MAX 9	Completed	2127 km
2026-09-30 11:15 UTC	UAL2399	OMA → IAH Omaha → Houston	N889UA	Airbus A319	Completed (landing presumed)	1531 km
2026-09-29 17:10 UTC	UAL2399	IAH → SAN Houston → San Diego	N77592	Boeing 737 MAX 9	Completed	2124 km
2026-09-29 11:11 UTC	UAL2399	OMA → IAH Omaha → Houston	N38257	Boeing 737-800	Completed (landing confirmed by airport data)	1348 km
2026-09-28 17:32 UTC	UAL2399	IAH → SAN Houston → San Diego	N37450	Boeing 737 MAX 9	Completed	2133 km
2026-09-28 11:05 UTC	UAL2399	OMA → IAH Omaha → Houston	N14240	Boeing 737-800	Completed (landing presumed)	1341 km
2026-09-27 17:40 UTC	UAL2399	IAH → SAN Houston → San Diego	N17427	Boeing 737 MAX 9	Completed	2126 km
2026-09-27 11:10 UTC	UAL2399	OMA → IAH Omaha → Houston	N77258	Boeing 737-800	Completed (landing presumed)	1441 km
2026-09-26 17:00 UTC	UAL2399	IAH → SAN Houston → San Diego	N67812	Boeing 737-900	Completed	2115 km
2026-09-26 11:11 UTC	UAL2399	OMA → IAH Omaha → Houston	N13248	Boeing 737-800	Completed (landing presumed)	1472 km
2026-09-25 17:56 UTC	UAL2399	IAH → SAN Houston → San Diego	N77471	Boeing 737 MAX 9	Completed	2136 km
2026-09-25 11:10 UTC	UAL2399	OMA → IAH Omaha → Houston	N87527	Boeing 737-800	Completed (landing presumed)	1329 km
2026-09-24 17:32 UTC	UAL2399	IAH → SAN Houston → San Diego	N17433	Boeing 737 MAX 9	Completed	2132 km
2026-09-24 11:08 UTC	UAL2399	OMA → IAH Omaha → Houston	N86534	Boeing 737-800	Completed	1394 km
2026-09-23 17:05 UTC	UAL2399	IAH → SAN Houston → San Diego	N77592	Boeing 737 MAX 9	Completed	2136 km
2026-09-22 17:17 UTC	UAL2399	IAH → SAN Houston → San Diego	N77592	Boeing 737 MAX 9	Completed	2125 km
2026-09-21 17:39 UTC	UAL2399	IAH → SAN Houston → San Diego	N47453	Boeing 737 MAX 9	Completed	2121 km
2026-09-20 17:51 UTC	UAL2399	IAH → SAN Houston → San Diego	N47457	Boeing 737 MAX 9	Completed	2144 km
2026-09-19 17:07 UTC	UAL2399	IAH → SAN Houston → San Diego	N17529	Boeing 737 MAX 9	Completed	2247 km
2026-09-18 17:08 UTC	UAL2399	IAH → SAN Houston → San Diego	N77572	Boeing 737 MAX 9	Completed	2237 km
2026-09-17 17:53 UTC	UAL2399	IAH → SAN Houston → San Diego	N77584	Boeing 737 MAX 9	Completed	2241 km
2026-09-16 18:02 UTC	UAL2399	IAH → SAN Houston → San Diego	N97424	Boeing 737 MAX 9	Completed	2246 km
2026-09-15 17:05 UTC	UAL2399	IAH → SAN Houston → San Diego	N17432	Boeing 737 MAX 9	Completed	2264 km
2026-09-14 17:12 UTC	UAL2399	IAH → SAN Houston → San Diego	N77576	Boeing 737 MAX 9	Completed	2346 km
2026-09-13 17:12 UTC	UAL2399	IAH → SAN Houston → San Diego	N77584	Boeing 737 MAX 9	Completed	2243 km
2026-09-12 17:10 UTC	UAL2399	IAH → SAN Houston → San Diego	N77582	Boeing 737 MAX 9	Completed	2242 km
2026-09-11 18:17 UTC	UAL2399	IAH → SAN Houston → San Diego	N47446	Boeing 737 MAX 9	Completed	2231 km
2026-09-10 17:03 UTC	UAL2399	IAH → SAN Houston → San Diego	N17436	Boeing 737 MAX 9	Completed	2252 km
2026-09-09 16:59 UTC	UAL2399	IAH → SAN Houston → San Diego	N37542	Boeing 737 MAX 9	Completed	2274 km
2026-09-07 17:48 UTC	UAL2399	IAH → SAN Houston → San Diego	N37542	Boeing 737 MAX 9	Completed	2254 km
2026-09-06 17:01 UTC	UAL2399	IAH → SAN Houston → San Diego	N37506	Boeing 737 MAX 9	Completed	2231 km
2026-09-05 17:14 UTC	UAL2399	IAH → SAN Houston → San Diego	N37537	Boeing 737 MAX 9	Completed	2218 km
2026-09-04 17:52 UTC	UAL2399	IAH → SAN Houston → San Diego	N77573	Boeing 737 MAX 9	Completed	2291 km
2026-09-03 18:05 UTC	UAL2399	IAH → SAN Houston → San Diego	N37551	Boeing 737 MAX 9	Completed	2511 km
2026-09-02 17:13 UTC	UAL2399	IAH → SAN Houston → San Diego	N77543	Boeing 737 MAX 9	Completed	2335 km
2026-09-01 17:39 UTC	UAL2399	IAH → SAN Houston → San Diego	N17413	Boeing 737 MAX 9	Completed	2275 km
2026-08-31 17:50 UTC	UAL2399	IAH → SAN Houston → San Diego	N27419	Boeing 737 MAX 9	Completed	2307 km
2026-08-30 17:44 UTC	UAL2399	IAH → SAN Houston → San Diego	N77582	Boeing 737 MAX 9	Completed	2236 km
2026-08-29 17:35 UTC	UAL2399	IAH → SAN Houston → San Diego	N17593	Boeing 737 MAX 9	Completed	2207 km
2026-08-28 17:54 UTC	UAL2399	IAH → SAN Houston → San Diego	N47512	Boeing 737 MAX 9	Completed	2254 km
2026-08-27 18:25 UTC	UAL2399	IAH → SAN Houston → San Diego	N17593	Boeing 737 MAX 9	Completed	2234 km
2026-08-26 17:43 UTC	UAL2399	IAH → SAN Houston → San Diego	N77573	Boeing 737 MAX 9	Completed	2253 km
2026-08-25 17:06 UTC	UAL2399	IAH → SAN Houston → San Diego	N37415	Boeing 737 MAX 9	Completed	2222 km
2026-08-24 17:50 UTC	UAL2399	IAH → SAN Houston → San Diego	N17459	Boeing 737 MAX 9	Completed	2274 km