UAL3905

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Departed

2026-09-09 21:21 UTC

Arrival

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

Distance flown

530 km

Straight-line distance

415 km

Approach distance

103 km

Aircraft

Registration

N431UA

Type

Airbus A320 233

Seats

150 total (96 Economy, 42 Economy Plus, 12 First)

Altitude & speed

Max altitude

28,000 ft

Max ground speed

453 kt

Tracked

1h 4m · 514 km

Altitude (ft, max 28,000)

Ground speed (kt, max 453)

Altitude (ft, max 28,000)

Ground speed (kt, max 453)

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 13:24 UTC	UAL3905	SFO → PDX San Francisco → Portland	N488UA	Airbus A320 233	Completed	934 km
2026-09-28 07:15 UTC	UAL3905	BUR → DEN Burbank → Denver	N33286	Boeing 737-800	Completed	1459 km
2026-09-26 01:09 UTC	UAL3905	BOS → EWR Boston → Newark	N826UA	Airbus A319	Completed	517 km
2026-09-24 02:30 UTC	UAL3905	ORD → EWR Chicago → Newark	N13716	Boeing 737-700	Completed	1185 km
2026-09-22 14:07 UTC	UAL3905	BWI → EWR Baltimore → Newark	N17105	Boeing 757-200	Completed	291 km
2026-09-21 11:13 UTC	UAL3905	HNL → GUM Honolulu → Hagåtña, Guam International Airport	N222UA	Boeing 777-200ER	Completed	6181 km
2026-09-12 05:39 UTC	UAL3905	MEX → IAD Mexico City → Washington, DC	N17336	Boeing 737 MAX 8	Completed	3431 km
2026-09-09 21:21 UTC	UAL3905	ORD → STL Chicago → St Louis	N431UA	Airbus A320 233	Completed	530 km
2026-09-04 01:55 UTC	UAL3905	IAH → EWR Houston → Newark	N37472	Boeing 737 MAX 9	Completed	2442 km
2026-09-02 18:16 UTC	UAL3905	FAT → ORD Fresno → Chicago	N33714	Boeing 737-700	Completed	3173 km
2026-08-31 12:52 UTC	UAL3905	ORD → ORD Chicago → Chicago	N462UA	Airbus A320 233	Completed	26 km
2026-08-31 11:13 UTC	UAL3905	IAD → ORD Washington, DC → Chicago	N462UA	Airbus A320 233	Completed	1082 km
2026-08-28 04:16 UTC	UAL3905	CLT → RDU Charlotte → Raleigh/Durham	N17315	Boeing 737 MAX 8	Completed	279 km
2026-08-26 01:43 UTC	UAL3905	RDU → ORD Raleigh/Durham → Chicago	N846UA	Airbus A319	Completed	1132 km
2026-08-24 14:03 UTC	UAL3905	EUG → ORD Eugene → Chicago	N76529	Boeing 737-800	Completed	3158 km
2026-08-21 22:47 UTC	UAL3905	HNL → GUM Honolulu → Hagåtña, Guam International Airport	N17329	Boeing 737 MAX 8	Completed	6244 km
2026-08-18 19:29 UTC	UAL3905	LAX → SFO Los Angeles → San Francisco	N29977	Boeing 787-9	Completed	1460 km
2026-08-17 09:17 UTC	UAL3905	LAX → SFO Los Angeles → San Francisco	N769UA	Boeing 777-200ER	Completed	863 km
2026-08-15 04:44 UTC	UAL3905	NRT → ? Tokyo / Narita → ?	N17316	Boeing 737 MAX 8	Completed	786 km