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UAL8120

SFO → SEA · Boeing 737-900 · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (callsign change)
Departure
San Francisco International Airport (SFO) — San Francisco, United States
Departed
2026-09-18 23:03 UTC
Arrival
Seattle Tacoma International Airport (SEA) — Seattle, United States
Distance flown
1231 km
Straight-line distance
1093 km
Approach distance
86 km

Aircraft

Registration
Type
Boeing 737-900
Seats
179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude
34,025 ft
Max ground speed
440 kt
Tracked
2h 18m · 1,186 km
Altitude (ft, max 34,025)
018,37436,7470m30m1h 0m1h 30m2h 0m
Ground speed (kt, max 440)
02384750m30m1h 0m1h 30m2h 0m
Altitude (ft, max 34,025)
018,37436,7470m1h 0m2h 0m
Ground speed (kt, max 440)
02384750m1h 0m2h 0m

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

DepartedFlightRouteRegAircraftStatusDistance
2026-10-02 02:33 UTC UAL8120 IAH → SAT
Houston → San Antonio
N448UA Airbus A320 233 Completed 793 km
2026-09-30 21:26 UTC UAL8120 EWR → IAH
Newark → Houston
N18112 Boeing 757-200 Completed (landing presumed) 2346 km
2026-09-28 04:57 UTC UAL8120 ORD → CMH
Chicago → Columbus
N76505 Boeing 737-800 Completed 524 km
2026-09-27 19:19 UTC UAL8120 LAS → SFO
Las Vegas → San Francisco
N26215 Boeing 737-800 Completed 824 km
2026-09-26 21:59 UTC UAL8120 SFO → ORD
San Francisco → Chicago
N62892 Boeing 737-900 Completed 3042 km
2026-09-23 20:14 UTC UAL8120 DEN → TPA
Denver → Tampa
N77584 Boeing 737 MAX 9 Completed 2516 km
2026-09-22 22:13 UTC UAL8120 IAD → PDX
Washington, DC → Portland
N17448 Boeing 737 MAX 9 Completed 3785 km
2026-09-21 23:24 UTC UAL8120 SFO → SEA
San Francisco → Seattle
N27463 Boeing 737 MAX 9 Completed 1145 km
2026-09-21 00:37 UTC UAL8120 IAH → SFO
Houston → San Francisco
N47434 Boeing 737 MAX 9 Completed 2805 km
2026-09-19 18:28 UTC UAL8120 ORD → PHX
Chicago → Phoenix
N17597 Boeing 737 MAX 9 Completed 2667 km
2026-09-18 23:03 UTC UAL8120 SFO → SEA
San Francisco → Seattle
N69847 Boeing 737-900 Completed 1231 km
2026-09-18 15:34 UTC UAL8120 DEN → ORD
Denver → Chicago
N38458 Boeing 737-900 Completed 1630 km
2026-09-17 20:44 UTC UAL8120 ORD → RDU
Chicago → Raleigh/Durham
N66848 Boeing 737-900 Completed (landing presumed) 1209 km
2026-09-16 19:35 UTC UAL8120 SFO → SAN
San Francisco → San Diego
N77530 Boeing 737-800 Completed 874 km
2026-09-12 00:21 UTC UAL8120 EWR → PBI
Newark → West Palm Beach
N38424 Boeing 737-900 Completed 2081 km
2026-09-06 00:12 UTC UAL8120 ORD → IAH
Chicago → Houston
N14524 Airbus A321 Neo Completed 1722 km
2026-09-05 01:59 UTC UAL8120 ORD → CLE
Chicago → Cleveland
N27734 Boeing 737-700 Incomplete (signal lost) ~6196 km est. (2881 km recorded)
2026-09-03 23:38 UTC UAL8120 SFO → SAN
San Francisco → San Diego
N38443 Boeing 737-900 Incomplete (signal lost) ~5044 km est. (2902 km recorded)
2026-09-01 05:40 UTC UAL8120 ORD → EWR
Chicago → Newark
N14553 Airbus A321 Neo Completed 1258 km
2026-08-30 23:40 UTC UAL8120 DEN → IND
Denver → Indianapolis
N18243 Boeing 737-800 Completed 1690 km
2026-08-30 14:10 UTC UAL8120 ORD → SEA
Chicago → Seattle
N54570 Airbus A321 Neo Completed 3076 km
2026-08-29 01:32 UTC UAL8120 ORD → CLE
Chicago → Cleveland
N68843 Boeing 737-900 Completed 601 km
2026-08-28 11:52 UTC UAL8120 TPA → ORD
Tampa → Chicago
N77536 Boeing 737-800 Completed 1835 km
2026-08-24 15:44 UTC UAL8120 DEN → ORD
Denver → Chicago
N14507 Airbus A321 Neo Completed 1642 km
2026-08-23 16:06 UTC UAL8120 FLL → IAD
Fort Lauderdale → Washington, DC
N38417 Boeing 737-900 Completed 2220 km
2026-08-22 17:45 UTC UAL8120 ORD → MCO
Chicago → Orlando
N68822 Boeing 737-900 Completed 2765 km
2026-08-21 15:07 UTC UAL8120 IAH → SMF
Houston → Sacramento
N35407 Boeing 737-900 Completed 3677 km
2026-08-20 18:58 UTC UAL8120 SFO → SAN
San Francisco → San Diego
N14237 Boeing 737-800 Completed ~1697 km est. (1176 km recorded)
2026-08-18 19:38 UTC UAL8120 SAN → SEA
San Diego → Seattle
N27421 Boeing 737-900 Completed 3738 km
2026-08-17 03:43 UTC UAL8120 DEN → SFO
Denver → San Francisco
N24573 Airbus A321 Neo Completed 2195 km
2026-08-15 06:25 UTC UAL8120 SFO → PHL
San Francisco → Philadelphia
N27267 Boeing 737 MAX 8 Completed ~9865 km est. (5773 km recorded)
2026-08-13 00:06 UTC UAL8120 DEN → MSP
Denver → Minneapolis
N472UA Airbus A320 233 Completed 8682 km
2026-08-11 22:37 UTC UAL8120 ORD → STL
Chicago → St Louis
N26232 Boeing 737-800 Completed 683 km
2026-08-11 22:25 UTC UAL8120 ORD → ORD
Chicago → Chicago
N26232 Boeing 737-800 Completed ~1 km est. (0 km recorded)
2026-08-11 22:24 UTC UAL8120 ORD → ORD
Chicago → Chicago
N26232 Boeing 737-800 Completed ~1 km est. (0 km recorded)
2026-08-10 21:19 UTC UAL8120 MSP → MSP
Minneapolis → Minneapolis
N62889 Boeing 737-900 Completed ~0 km est. (0 km recorded)
2026-08-10 21:19 UTC UAL8120 MSP → MSP
Minneapolis → Minneapolis
N62889 Boeing 737-900 Completed ~0 km est. (0 km recorded)
2026-08-10 20:59 UTC UAL8120 MSP → MSP
Minneapolis → Minneapolis
N62889 Boeing 737-900 Completed ~1 km est. (0 km recorded)
2026-08-10 20:59 UTC UAL8120 MSP → MSP
Minneapolis → Minneapolis
N62889 Boeing 737-900 Completed ~1 km est. (0 km recorded)
2026-08-10 20:59 UTC UAL8120 MSP → MSP
Minneapolis → Minneapolis
N62889 Boeing 737-900 Completed ~1 km est. (0 km recorded)

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