UA2139

For travellers

Departure · Chicago (ORD)

Terminal 1 · Gate B20

Scheduled 08:40 · Departed 08:48 · +8 min

Board status: Active

Airborne since 09:25 (ADS-B)

Arrival · Boise (BOI)

Gate B11

Scheduled 11:46

Board status: Delayed

Landed 11:47 (ADS-B)

Board data from boi, ord, updated 23 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (callsign change)

Departure

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

Scheduled departure

2026-10-02 13:40 UTC

Departed

2026-10-02 14:25 UTC

Arrival

Boise Air Terminal/Gowen Field (BOI) — Boise, United States

Scheduled arrival

2026-10-02 17:46 UTC

Codeshares

AC4260

Distance flown

2462 km

Straight-line distance

2307 km

Approach distance

92 km

Aircraft

Registration

N437UA

Type

Airbus A320 233

Seats

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

Altitude & speed

Max altitude

34,025 ft

Max ground speed

433 kt

Tracked

3h 22m · 2,444 km

Altitude (ft, max 34,025)

Ground speed (kt, max 433)

Altitude (ft, max 34,025)

Ground speed (kt, max 433)

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 14:25 UTC	UAL2139	ORD → BOI Chicago → Boise	N437UA	Airbus A320 233	Completed	2462 km
2026-10-01 13:51 UTC	UAL2139	ORD → BOI Chicago → Boise	N431UA	Airbus A320 233	Completed	2461 km
2026-09-30 14:09 UTC	UAL2139	ORD → BOI Chicago → Boise	N454UA	Airbus A320 233	Completed	2446 km
2026-09-29 15:50 UTC	UAL2139	ORD → BOI Chicago → Boise	N437UA	Airbus A320 233	Completed	2449 km
2026-09-28 13:52 UTC	UAL2139	ORD → BOI Chicago → Boise	N440UA	Airbus A320 233	Completed	2354 km
2026-09-27 13:59 UTC	UAL2139	ORD → BOI Chicago → Boise	N480UA	Airbus A320 233	Completed	2373 km
2026-09-26 13:46 UTC	UAL2139	ORD → BOI Chicago → Boise	N441UA	Airbus A320 233	Completed	2357 km
2026-09-25 13:45 UTC	UAL2139	ORD → BOI Chicago → Boise	N467UA	Airbus A320 233	Completed	2396 km
2026-09-24 13:57 UTC	UAL2139	ORD → BOI Chicago → Boise	N445UA	Airbus A320 233	Completed	2439 km
2026-09-24 00:08 UTC	UAL2139	ORD → IAH Chicago → Houston	N17443	Boeing 737 MAX 9	Completed	1585 km
2026-09-23 00:09 UTC	UAL2139	ORD → IAH Chicago → Houston	N77471	Boeing 737 MAX 9	Completed (landing presumed)	1595 km
2026-09-21 23:51 UTC	UAL2139	ORD → IAH Chicago → Houston	N37440	Boeing 737 MAX 9	Completed	1575 km
2026-09-21 01:13 UTC	UAL2139	ORD → IAH Chicago → Houston	N17589	Boeing 737 MAX 9	Incomplete (signal lost)	1582 km
2026-09-20 01:32 UTC	UAL2139	ORD → IAH Chicago → Houston	N27419	Boeing 737 MAX 9	Incomplete (signal lost)	1693 km
2026-09-18 23:27 UTC	UAL2139	ORD → IAH Chicago → Houston	N66803	Boeing 737-900	Completed	1803 km
2026-09-18 00:34 UTC	UAL2139	ORD → IAH Chicago → Houston	N37577	Boeing 737 MAX 9	Completed	1672 km