UAL2638

For travellers

Departure · Houston (IAH)

Terminal C · Gate C37

Scheduled 02 Oct 16:20 · Departed 02 Oct 16:17

Board status: Departed

Airborne since 02 Oct 16:28 (ADS-B)

Arrival · Seattle (SEA)

Gate B7A

Scheduled 02 Oct 19:03 · Estimated 02 Oct 18:41 · early

Board status: Landed

Landed 02 Oct 19:35 (ADS-B)

Board data from houston, sea, updated 652 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-10-02 21:20 UTC

Departed

2026-10-02 21:28 UTC

Arrival

Seattle Tacoma International Airport (SEA) — Seattle, United States

Scheduled arrival

2026-10-03 02:03 UTC

Estimated arrival

2026-10-03 01:41 UTC

Also flies as

UA2638

Codeshares

BR3017

Distance flown

3092 km

Straight-line distance

3013 km

Approach distance

95 km

Aircraft

Registration

N78506

Type

Boeing 737-800

Seats

166 total (102 Economy, 48 Economy Plus, 16 First)

CO2 (EMEP est., total)

69.1 t (570 kg/pax Business, 399 kg/pax Economy)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

480 kt

Tracked

5h 6m · 3,083 km

Altitude (ft, max 36,025)

Ground speed (kt, max 480)

Altitude (ft, max 36,025)

Ground speed (kt, max 480)

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 21:28 UTC	UAL2638	IAH → SEA Houston → Seattle	N78506	Boeing 737-800	Completed	3092 km
2026-10-01 22:01 UTC	UAL2638	IAH → SEA Houston → Seattle	N35260	Boeing 737-800	Completed	3294 km
2026-09-30 22:17 UTC	UAL2638	IAH → SEA Houston → Seattle	N13248	Boeing 737-800	Completed	3294 km
2026-09-29 21:22 UTC	UAL2638	IAH → SEA Houston → Seattle	N76288	Boeing 737-800	Completed	3191 km
2026-09-28 22:52 UTC	UAL2638	IAH → SEA Houston → Seattle	N76288	Boeing 737-800	Completed	3148 km
2026-09-27 21:32 UTC	UAL2638	IAH → SEA Houston → Seattle	N35271	Boeing 737-800	Completed	3078 km
2026-09-26 21:27 UTC	UAL2638	IAH → SEA Houston → Seattle	N33264	Boeing 737-800	Completed	3091 km
2026-09-25 22:48 UTC	UAL2638	IAH → SEA Houston → Seattle	N14242	Boeing 737-800	Completed	3122 km
2026-09-24 22:22 UTC	UAL2638	IAH → SEA Houston → Seattle	N14242	Boeing 737-800	Completed	3136 km
2026-09-23 21:28 UTC	UAL2638	IAH → SEA Houston → Seattle	N76516	Boeing 737-800	Completed	3084 km
2026-09-23 16:11 UTC	UAL2638	ORD → IAH Chicago → Houston	N14533	Airbus A321 Neo	Completed	1627 km
2026-09-23 10:26 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N66841	Boeing 737-900	Completed	1253 km
2026-09-22 21:56 UTC	UAL2638	IAH → SEA Houston → Seattle	N76522	Boeing 737-800	Completed	3223 km
2026-09-22 15:55 UTC	UAL2638	ORD → IAH Chicago → Houston	N94556	Airbus A321 Neo	Completed	1720 km
2026-09-22 10:49 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N69835	Boeing 737-900	Completed	1202 km
2026-09-21 21:35 UTC	UAL2638	IAH → SEA Houston → Seattle	N77542	Boeing 737-800	Completed	3210 km
2026-09-21 15:45 UTC	UAL2638	ORD → IAH Chicago → Houston	N64572	Airbus A321 Neo	Completed	1565 km
2026-09-21 10:35 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N69819	Boeing 737-900	Completed	1253 km
2026-09-20 21:57 UTC	UAL2638	IAH → SEA Houston → Seattle	N33286	Boeing 737-800	Completed	3122 km
2026-09-20 15:50 UTC	UAL2638	ORD → IAH Chicago → Houston	N14528	Airbus A321 Neo	Completed	1641 km
2026-09-20 11:12 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N63899	Boeing 737-900	Completed	1819 km
2026-09-19 21:32 UTC	UAL2638	IAH → SEA Houston → Seattle	N77537	Boeing 737-800	Completed	3278 km
2026-09-19 14:09 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N68843	Boeing 737-900	Completed	1622 km
2026-09-18 21:37 UTC	UAL2638	IAH → SEA Houston → Seattle	N37267	Boeing 737-800	Completed	3305 km
2026-09-18 16:04 UTC	UAL2638	ORD → IAH Chicago → Houston	N24537	Airbus A321 Neo	Completed (landing presumed)	1723 km
2026-09-18 10:44 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N38467	Boeing 737-900	Completed	1783 km
2026-09-17 21:44 UTC	UAL2638	IAH → SEA Houston → Seattle	N77258	Boeing 737-800	Completed	3215 km
2026-09-17 13:41 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N855UA	Airbus A319	Completed	2527 km
2026-09-16 21:37 UTC	UAL2638	IAH → SEA Houston → Seattle	N78511	Boeing 737-800	Completed	3480 km
2026-09-16 15:42 UTC	UAL2638	ORD → IAH Chicago → Houston	N24516	Airbus A321 Neo	Completed	1712 km
2026-09-16 10:38 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N68811	Boeing 737-900	Completed	1798 km
2026-09-15 21:40 UTC	UAL2638	IAH → SEA Houston → Seattle	N11206	Boeing 737-800	Completed	3298 km
2026-09-15 18:19 UTC	UAL2638	ORD → IAH Chicago → Houston	N24508	Airbus A321 Neo	Completed (landing presumed)	1695 km
2026-09-15 10:52 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N38479	Boeing 737-900	Completed	1223 km
2026-09-14 21:40 UTC	UAL2638	IAH → SEA Houston → Seattle	N57299	Boeing 737 MAX 8	Completed	3322 km
2026-09-14 16:40 UTC	UAL2638	ORD → IAH Chicago → Houston	N34547	Airbus A321 Neo	Completed (landing presumed)	1716 km
2026-09-14 10:38 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N66803	Boeing 737-900	Completed	1299 km
2026-09-13 22:28 UTC	UAL2638	IAH → SEA Houston → Seattle	N73259	Boeing 737-800	Completed	3394 km
2026-09-13 15:52 UTC	UAL2638	ORD → IAH Chicago → Houston	N14548	Airbus A321 Neo	Completed	1716 km
2026-09-13 10:35 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N69824	Boeing 737-900	Completed	1206 km
2026-09-12 21:45 UTC	UAL2638	IAH → SEA Houston → Seattle	N73256	Boeing 737-800	Completed	3350 km
2026-09-12 16:15 UTC	UAL2638	ORD → IAH Chicago → Houston	N14524	Airbus A321 Neo	Completed (landing presumed)	1626 km
2026-09-12 10:46 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N39423	Boeing 737-900	Completed	1289 km
2026-09-11 22:59 UTC	UAL2638	IAH → SEA Houston → Seattle	N34282	Boeing 737-800	Completed	3376 km
2026-09-11 16:28 UTC	UAL2638	ORD → IAH Chicago → Houston	N54570	Airbus A321 Neo	Completed	1658 km
2026-09-11 12:22 UTC	UAL2638	ORD → ORD Chicago → Chicago	N37471	Boeing 737-900	Completed	~7 km est. (4 km recorded)
2026-09-11 10:36 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N37471	Boeing 737-900	Completed	1294 km
2026-09-10 21:57 UTC	UAL2638	IAH → SEA Houston → Seattle	N17244	Boeing 737-800	Completed	3380 km
2026-09-10 15:45 UTC	UAL2638	ORD → IAH Chicago → Houston	N34535	Airbus A321 Neo	Completed (landing presumed)	2205 km
2026-09-10 10:56 UTC	UAL2638	RDU → ORD Raleigh/Durham → Chicago	N36444	Boeing 737-900	Completed	1224 km