UAL637

For travellers

Departure · Washington, DC (IAD)

Gate D6

Scheduled 08:30 · Departed 08:23 · early

Board status: InAir

Airborne since 08:52 (ADS-B)

Board data from mwaa, updated 49 min ago; times local to each airport.

Flight

Status

In progress

Departure

Washington Dulles International Airport (IAD) — Washington, DC, United States

Scheduled departure

2026-10-02 12:30 UTC

Departed

2026-10-02 12:52 UTC

Arrival

Austin Bergstrom International Airport (AUS) — Austin, United States (scheduled)

Progress

100%

Also flies as

UA637

Distance flown

2212 km

Straight-line distance

2084 km

Aircraft

Registration

N37440

Type

Boeing 737 MAX 9

Seats

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

CO2 (EMEP est., total)

44.2 t (313 kg/pax Business, 239 kg/pax Economy)

Altitude & speed

Max altitude

34,025 ft

Max ground speed

456 kt

Tracked

3h 1m · 2,212 km

Note

still in progress - the track so far

Altitude (ft, max 34,025)

Ground speed (kt, max 456)

Altitude (ft, max 34,025)

Ground speed (kt, max 456)

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 12:52 UTC	UAL637	IAD → AUS Washington, DC → Austin	N37440	Boeing 737 MAX 9	In progress	~2084 km est.
2026-10-01 23:51 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N37298	Boeing 737-800	Completed	461 km
2026-10-01 12:35 UTC	UAL637	IAD → AUS Washington, DC → Austin	N37545	Boeing 737 MAX 9	Completed	2210 km
2026-09-30 23:25 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N35236	Boeing 737-800	Completed	465 km
2026-09-30 18:59 UTC	UAL637	AUS → LAX Austin → Los Angeles	N37553	Boeing 737 MAX 9	Completed	2089 km
2026-09-30 12:40 UTC	UAL637	IAD → AUS Washington, DC → Austin	N57409	Boeing 737 MAX 9	Completed	2223 km
2026-09-29 19:13 UTC	UAL637	AUS → LAX Austin → Los Angeles	N27546	Boeing 737 MAX 9	Completed	2081 km
2026-09-29 12:25 UTC	UAL637	IAD → AUS Washington, DC → Austin	N77584	Boeing 737 MAX 9	Completed	2239 km
2026-09-28 23:19 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N24202	Boeing 737-800	Completed	454 km
2026-09-28 18:57 UTC	UAL637	AUS → LAX Austin → Los Angeles	N37562	Boeing 737 MAX 9	Completed	2033 km
2026-09-28 12:41 UTC	UAL637	IAD → AUS Washington, DC → Austin	N47446	Boeing 737 MAX 9	Completed	2164 km
2026-09-28 00:03 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N35204	Boeing 737-800	Completed	470 km
2026-09-27 18:56 UTC	UAL637	AUS → LAX Austin → Los Angeles	N17460	Boeing 737 MAX 9	Completed	2035 km
2026-09-27 12:53 UTC	UAL637	IAD → AUS Washington, DC → Austin	N17431	Boeing 737 MAX 9	Completed	2195 km
2026-09-26 19:06 UTC	UAL637	AUS → LAX Austin → Los Angeles	N79279	Boeing 737-800	Completed	2023 km
2026-09-26 00:33 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N77518	Boeing 737-800	Completed	453 km
2026-09-25 18:53 UTC	UAL637	AUS → LAX Austin → Los Angeles	N17455	Boeing 737 MAX 9	Completed	2047 km
2026-09-25 00:49 UTC	UAL637	LAX → MRY Los Angeles → Monterey	N17245	Boeing 737-800	Completed	509 km
2026-09-24 19:00 UTC	UAL637	AUS → LAX Austin → Los Angeles	N17411	Boeing 737 MAX 9	Completed	2149 km
2026-09-24 12:49 UTC	UAL637	IAD → AUS Washington, DC → Austin	N17455	Boeing 737 MAX 9	Completed	2233 km
2026-09-23 19:00 UTC	UAL637	AUS → LAX Austin → Los Angeles	N12218	Boeing 737-800	Completed	2152 km
2026-09-22 23:39 UTC	UAL637	SFO → MFR San Francisco → Medford	N434UA	Airbus A320 233	Incomplete (signal lost)	~667 km est. (435 km recorded)
2026-09-21 18:59 UTC	UAL637	AUS → LAX Austin → Los Angeles	N76516	Boeing 737-800	Completed	2040 km
2026-09-21 12:14 UTC	UAL637	IAD → AUS Washington, DC → Austin	N13720	Boeing 737-700	Completed	2209 km
2026-09-20 19:02 UTC	UAL637	AUS → LAX Austin → Los Angeles	N54241	Boeing 737-800	Completed	2032 km
2026-09-20 12:55 UTC	UAL637	IAD → AUS Washington, DC → Austin	N68802	Boeing 737-900	Completed	2374 km
2026-09-19 23:35 UTC	UAL637	SFO → ACV San Francisco → Arcata/Eureka	N444UA	Airbus A320 233	Completed	442 km
2026-09-18 18:57 UTC	UAL637	AUS → LAX Austin → Los Angeles	N76528	Boeing 737-800	Completed	2158 km
2026-09-18 12:34 UTC	UAL637	IAD → AUS Washington, DC → Austin	N13750	Boeing 737-700	Completed	2318 km
2026-09-17 18:52 UTC	UAL637	AUS → LAX Austin → Los Angeles	N24212	Boeing 737-800	Completed	2147 km
2026-09-17 12:30 UTC	UAL637	IAD → AUS Washington, DC → Austin	N33203	Boeing 737-800	Completed	2326 km
2026-09-16 19:00 UTC	UAL637	AUS → LAX Austin → Los Angeles	N77536	Boeing 737-800	Completed	2306 km
2026-09-15 23:23 UTC	UAL637	SFO → MFR San Francisco → Medford	N496UA	Airbus A320 233	Incomplete (signal lost)	~670 km est. (439 km recorded)
2026-09-14 19:01 UTC	UAL637	AUS → LAX Austin → Los Angeles	N77530	Boeing 737-800	Completed	2147 km
2026-09-14 12:23 UTC	UAL637	IAD → AUS Washington, DC → Austin	N38727	Boeing 737-700	Completed	2356 km
2026-09-13 19:00 UTC	UAL637	AUS → LAX Austin → Los Angeles	N77295	Boeing 737-800	Completed	2144 km
2026-09-13 12:36 UTC	UAL637	IAD → AUS Washington, DC → Austin	N15751	Boeing 737-700	Completed	2353 km
2026-09-12 23:16 UTC	UAL637	SFO → MFR San Francisco → Medford	N473UA	Airbus A320 233	Incomplete (signal lost)	~684 km est. (452 km recorded)
2026-09-11 19:00 UTC	UAL637	AUS → LAX Austin → Los Angeles	N87531	Boeing 737-800	Completed	2179 km
2026-09-10 19:28 UTC	UAL637	AUS → LAX Austin → Los Angeles	N33284	Boeing 737-800	Completed	2184 km
2026-09-09 19:24 UTC	UAL637	AUS → LAX Austin → Los Angeles	N37274	Boeing 737-800	Completed	2128 km
2026-09-07 19:43 UTC	UAL637	AUS → LAX Austin → Los Angeles	N24224	Boeing 737-800	Completed	2177 km
2026-09-07 12:25 UTC	UAL637	IAD → AUS Washington, DC → Austin	N38727	Boeing 737-700	Completed	2325 km
2026-09-06 00:24 UTC	UAL637	SFO → MFR San Francisco → Medford	N16217	Boeing 737-800	Completed	587 km
2026-09-04 18:56 UTC	UAL637	AUS → LAX Austin → Los Angeles	N76532	Boeing 737-800	Completed	2033 km
2026-09-04 12:31 UTC	UAL637	IAD → AUS Washington, DC → Austin	N39726	Boeing 737-700	Completed	2216 km
2026-09-03 19:09 UTC	UAL637	AUS → LAX Austin → Los Angeles	N76528	Boeing 737-800	Completed	2279 km
2026-09-03 12:33 UTC	UAL637	IAD → AUS Washington, DC → Austin	N73270	Boeing 737-800	Completed	2315 km
2026-09-02 23:21 UTC	UAL637	SFO → MFR San Francisco → Medford	N27269	Boeing 737 MAX 8	Completed	605 km
2026-09-01 23:29 UTC	UAL637	SFO → MFR San Francisco → Medford	N37353	Boeing 737 MAX 8	Completed	573 km