UAL1639

For travellers

Departure · Denver (DEN)

Gate B26

Scheduled 01 Oct 13:30 · Departed 01 Oct 13:30

Board status: Departed

Airborne since 01 Oct 13:42 (ADS-B)

Board data from den, updated 384 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

Denver International Airport (DEN) — Denver, United States

Scheduled departure

2026-10-01 19:30 UTC

Departed

2026-10-01 19:42 UTC

Arrival

St Louis Lambert International Airport (STL) — St Louis, United States

Also flies as

UA1639

Distance flown

1256 km

Straight-line distance

1236 km

Approach distance

71 km

Aircraft

Registration

N840UA

Type

Airbus A319

Seats

126 total (78 Economy, 36 Economy Plus, 12 First)

CO2 (EMEP est., total)

27.8 t (265 kg/pax Business, 216 kg/pax Economy)

Altitude & speed

Max altitude

37,025 ft

Max ground speed

492 kt

Tracked

1h 42m · 1,249 km

Altitude (ft, max 37,025)

Ground speed (kt, max 492)

Altitude (ft, max 37,025)

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
2026-10-01 19:42 UTC	UAL1639	DEN → STL Denver → St Louis	N840UA	Airbus A319	Completed	1256 km
2026-09-30 19:30 UTC	UAL1639	DEN → STL Denver → St Louis	N896UA	Airbus A319	Completed	1425 km
2026-09-29 19:19 UTC	UAL1639	DEN → STL Denver → St Louis	N820UA	Airbus A319	Completed	1257 km
2026-09-28 19:30 UTC	UAL1639	DEN → STL Denver → St Louis	N874UA	Airbus A319	Completed	1254 km
2026-09-27 19:47 UTC	UAL1639	DEN → STL Denver → St Louis	N873UA	Airbus A319	Completed	1252 km
2026-09-26 19:29 UTC	UAL1639	DEN → STL Denver → St Louis	N828UA	Airbus A319	Completed	1257 km
2026-09-25 19:41 UTC	UAL1639	DEN → STL Denver → St Louis	N845UA	Airbus A319	Completed	1256 km
2026-09-24 19:26 UTC	UAL1639	DEN → STL Denver → St Louis	N892UA	Airbus A319	Completed	1269 km
2026-09-23 19:34 UTC	UAL1639	DEN → STL Denver → St Louis	N447UA	Airbus A320 233	Completed	1296 km
2026-09-22 19:30 UTC	UAL1639	DEN → STL Denver → St Louis	N440UA	Airbus A320 233	Completed	1266 km
2026-09-21 19:37 UTC	UAL1639	DEN → STL Denver → St Louis	N481UA	Airbus A320 233	Completed	1297 km
2026-09-20 19:46 UTC	UAL1639	DEN → STL Denver → St Louis	N446UA	Airbus A320 233	Completed	1256 km
2026-09-19 19:33 UTC	UAL1639	DEN → STL Denver → St Louis	N492UA	Airbus A320 233	Completed	1379 km
2026-09-18 19:49 UTC	UAL1639	DEN → STL Denver → St Louis	N491UA	Airbus A320 233	Completed	1334 km
2026-09-17 19:41 UTC	UAL1639	DEN → STL Denver → St Louis	N483UA	Airbus A320 233	Completed	1339 km
2026-09-16 19:37 UTC	UAL1639	DEN → STL Denver → St Louis	N464UA	Airbus A320 233	Completed	1349 km
2026-09-15 19:23 UTC	UAL1639	DEN → STL Denver → St Louis	N481UA	Airbus A320 233	Completed	1559 km
2026-09-14 19:30 UTC	UAL1639	DEN → STL Denver → St Louis	N454UA	Airbus A320 233	Completed	1348 km
2026-09-13 19:51 UTC	UAL1639	DEN → STL Denver → St Louis	N488UA	Airbus A320 233	Completed	1356 km
2026-09-12 19:33 UTC	UAL1639	DEN → STL Denver → St Louis	N432UA	Airbus A320 233	Completed	1367 km
2026-09-11 19:42 UTC	UAL1639	DEN → STL Denver → St Louis	N455UA	Airbus A320 233	Completed	1333 km
2026-09-10 19:42 UTC	UAL1639	DEN → STL Denver → St Louis	N440UA	Airbus A320 233	Completed	1378 km
2026-09-09 19:42 UTC	UAL1639	DEN → STL Denver → St Louis	N432UA	Airbus A320 233	Completed	1379 km
2026-09-07 19:21 UTC	UAL1639	DEN → STL Denver → St Louis	N485UA	Airbus A320 233	Completed	1324 km
2026-09-06 19:23 UTC	UAL1639	DEN → STL Denver → St Louis	N437UA	Airbus A320 233	Completed	1459 km
2026-09-05 19:23 UTC	UAL1639	DEN → STL Denver → St Louis	N488UA	Airbus A320 233	Completed	1367 km
2026-09-04 19:40 UTC	UAL1639	QQH → STL Denver → St Louis	N431UA	Airbus A320 233	Completed	1265 km
2026-09-03 19:26 UTC	UAL1639	DEN → STL Denver → St Louis	N846UA	Airbus A319	Completed	1317 km
2026-09-02 19:44 UTC	UAL1639	DEN → STL Denver → St Louis	N4901U	Airbus A320 233	Completed	1378 km
2026-09-01 19:34 UTC	UAL1639	DEN → STL Denver → St Louis	N435UA	Airbus A320 233	Completed	1342 km
2026-08-31 20:25 UTC	UAL1639	DEN → STL Denver → St Louis	N493UA	Airbus A320 233	Completed	1370 km
2026-08-30 19:25 UTC	UAL1639	DEN → STL Denver → St Louis	N434UA	Airbus A320 233	Completed	1314 km
2026-08-29 19:35 UTC	UAL1639	DEN → STL Denver → St Louis	N439UA	Airbus A320 233	Completed	1295 km
2026-08-28 19:27 UTC	UAL1639	DEN → STL Denver → St Louis	N494UA	Airbus A320 233	Completed	1373 km
2026-08-27 19:40 UTC	UAL1639	DEN → STL Denver → St Louis	N431UA	Airbus A320 233	Completed	1363 km
2026-08-26 19:39 UTC	UAL1639	DEN → STL Denver → St Louis	N436UA	Airbus A320 233	Completed	1360 km
2026-08-25 19:29 UTC	UAL1639	DEN → STL Denver → St Louis	N488UA	Airbus A320 233	Completed	1326 km
2026-08-24 19:22 UTC	UAL1639	DEN → STL Denver → St Louis	N445UA	Airbus A320 233	Completed	1312 km
2026-08-23 23:44 UTC	UAL1639	DEN → STL Denver → St Louis	N431UA	Airbus A320 233	Completed	1435 km
2026-08-23 16:35 UTC	UAL1639	OMA → DEN Omaha → Denver	N473UA	Airbus A320 233	Completed	1091 km
2026-08-22 19:39 UTC	UAL1639	DEN → STL Denver → St Louis	N460UA	Airbus A320 233	Completed	1710 km
2026-08-21 15:43 UTC	UAL1639	PDX → STL Portland → St Louis	N438UA	Airbus A320 233	Completed	4331 km
2026-08-19 20:36 UTC	UAL1639	DEN → STL Denver → St Louis	N477UA	Airbus A320 233	Completed	2061 km
2026-08-17 19:33 UTC	UAL1639	DEN → STL Denver → St Louis	N445UA	Airbus A320 233	Completed	1694 km
2026-08-16 19:27 UTC	UAL1639	DEN → STL Denver → St Louis	N472UA	Airbus A320 233	Completed	1667 km
2026-08-15 22:29 UTC	UAL1639	DEN → STL Denver → St Louis	N497UA	Airbus A320 233	Completed	2155 km
2026-08-14 19:26 UTC	UAL1639	DEN → STL Denver → St Louis	N475UA	Airbus A320 233	Completed	~2918 km est. (1765 km recorded)
2026-08-12 21:47 UTC	UAL1639	DEN → STL Denver → St Louis	N437UA	Airbus A320 233	Completed	1501 km
2026-08-11 19:23 UTC	UAL1639	DEN → STL Denver → St Louis	N457UA	Airbus A320 233	Completed	1904 km
2026-08-10 19:38 UTC	UAL1639	DEN → DEN Denver → Denver	N855UA	Airbus A319	Completed	~4 km est. (1 km recorded)