UAL8142

For travellers

Departure · Chicago (ORD)

Scheduled 27 Sep 18:15 · Departed 27 Sep 20:00 · +105 min

Board status: Active

Airborne since 27 Sep 19:59 (ADS-B)

Board data from ord, updated 8542 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

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

Scheduled departure

2026-09-27 23:15 UTC

Departed

2026-09-28 00:59 UTC

Arrival

San Diego International Airport (SAN) — San Diego, United States

Also flies as

UA8142

Distance flown

2824 km

Straight-line distance

2768 km

Approach distance

60 km

Aircraft

Registration

N77559

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

CO2 (EMEP est., total)

57.3 t (406 kg/pax Business, 310 kg/pax Economy)

Altitude & speed

Max altitude

36,025 ft

Max ground speed

475 kt

Tracked

4h 0m · 2,817 km

Altitude (ft, max 36,025)

Ground speed (kt, max 475)

Altitude (ft, max 36,025)

Ground speed (kt, max 475)

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 19:13 UTC	UAL8142	SFO → ORD San Francisco → Chicago	N75851	Boeing 737-300	Completed	3054 km
2026-09-30 18:45 UTC	UAL8142	LGA → ORD New York → Chicago	N34222	Boeing 737-800	Completed	1282 km
2026-09-28 00:59 UTC	UAL8142	ORD → SAN Chicago → San Diego	N77559	Boeing 737 MAX 9	Completed	2824 km
2026-09-18 01:22 UTC	UAL8142	IAD → EWR Washington, DC → Newark	N47330	Boeing 737 MAX 8	Completed	504 km
2026-09-14 14:09 UTC	UAL8142	DEN → LGA Denver → New York	N24537	Airbus A321 Neo	Completed	2943 km
2026-09-09 15:18 UTC	UAL8142	OMA → DEN Omaha → Denver	N68805	Boeing 737-900	Completed	908 km
2026-09-04 01:40 UTC	UAL8142	DEN → SLC Denver → Salt Lake City	N68453	Boeing 737-900	Completed	768 km
2026-08-27 19:56 UTC	UAL8142	DEN → TPA Denver → Tampa	N77536	Boeing 737-800	Completed	2701 km
2026-08-25 14:01 UTC	UAL8142	DEN → LGA Denver → New York	N24519	Airbus A321 Neo	Completed	2914 km
2026-08-15 23:50 UTC	UAL8142	SFO → SEA San Francisco → Seattle	N76502	Boeing 737-800	Completed	1747 km
2026-08-15 01:46 UTC	UAL8142	GJT → DEN Grand Junction → Denver	N17373	Boeing 737 MAX 8	Completed	~2001 km est. (569 km recorded)
2026-08-14 13:19 UTC	UAL8142	SBA → SFO Santa Barbara → San Francisco	N76502	Boeing 737-800	Completed	19988 km
2026-08-14 06:11 UTC	UAL8142	SFO → LAX San Francisco → Los Angeles	N39463	Boeing 737-900	Completed	759 km
2026-08-13 22:40 UTC	UAL8142	ORD → SFO Chicago → San Francisco	N39463	Boeing 737-900	Completed	3330 km
2026-08-13 17:11 UTC	UAL8142	BWI → ORD Baltimore → Chicago	N39463	Boeing 737-900	Completed	1276 km
2026-08-13 12:17 UTC	UAL8142	ORD → BWI Chicago → Baltimore	N39463	Boeing 737-900	Completed	~5041 km est. (1258 km recorded)