YAFT.LIVE

UAL737

SEA → SFO · Boeing 737 MAX 9 · United Airlines

Flight

Status
Completed
Arrival confirmed via
ADS-B (ground reading)
Departure
Seattle Tacoma International Airport (SEA) — Seattle, United States
Departed
2026-09-23 01:36 UTC
Arrival
San Francisco International Airport (SFO) — San Francisco, United States
Distance flown
1243 km
Straight-line distance
1093 km
Approach distance
68 km

Aircraft

Registration
N37541
Type
Boeing 737 MAX 9
Seats
179 total (117 Economy, 42 Economy Plus, 20 First)

Altitude & speed

Max altitude
35,025 ft
Max ground speed
496 kt
Tracked
2h 12m · 1,241 km
Altitude (ft, max 35,025)
018,91437,8270m30m1h 0m1h 30m2h 0m
Ground speed (kt, max 496)
02685360m30m1h 0m1h 30m2h 0m
Altitude (ft, max 35,025)
018,91437,8270m1h 0m2h 0m
Ground speed (kt, max 496)
02685360m1h 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
2026-10-03 02:47 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17443 Boeing 737 MAX 9 Completed 1248 km
2026-10-02 03:40 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N27463 Boeing 737 MAX 9 Completed 1247 km
2026-10-01 02:52 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N69885 Boeing 737-900 Completed 1236 km
2026-09-30 02:45 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N77579 Boeing 737 MAX 9 Completed 1236 km
2026-09-29 02:50 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37502 Boeing 737 MAX 9 Completed 1236 km
2026-09-28 03:37 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37551 Boeing 737 MAX 9 Completed 1284 km
2026-09-27 02:37 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N77581 Boeing 737 MAX 9 Completed 1226 km
2026-09-26 02:34 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N47570 Boeing 737 MAX 9 Completed 1267 km
2026-09-25 02:31 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17420 Boeing 737 MAX 9 Completed 1257 km
2026-09-24 00:23 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37551 Boeing 737 MAX 9 Completed 1245 km
2026-09-23 01:36 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37541 Boeing 737 MAX 9 Completed 1243 km
2026-09-22 02:11 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17244 Boeing 737-800 Completed 1230 km
2026-09-21 01:40 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17436 Boeing 737 MAX 9 Completed 1243 km
2026-09-20 00:32 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N75432 Boeing 737-900 Completed 1259 km
2026-09-19 00:22 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N12216 Boeing 737-800 Completed 1271 km
2026-09-18 02:43 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N27476 Boeing 737 MAX 9 Completed 1285 km
2026-09-17 02:15 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37447 Boeing 737 MAX 9 Completed 1639 km
2026-09-16 01:46 UTC UAL737 SEA → SFO
Seattle → San Francisco
 B737-M9 Boeing 737 MAX 9 Completed 1287 km
2026-09-15 00:31 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N26215 Boeing 737-800 Completed 1305 km
2026-09-14 00:23 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17418 Boeing 737 MAX 9 Completed 1315 km
2026-09-13 00:45 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37449 Boeing 737 MAX 9 Completed 1294 km
2026-09-12 00:27 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N14242 Boeing 737-800 Completed 1336 km
2026-09-11 01:09 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N77559 Boeing 737 MAX 9 Completed 1311 km
2026-09-10 00:21 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N47412 Boeing 737 MAX 9 Completed 1301 km
2026-09-08 00:30 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17455 Boeing 737 MAX 9 Completed 1394 km
2026-09-07 00:36 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17565 Boeing 737 MAX 9 Completed 1280 km
2026-09-06 00:26 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17461 Boeing 737 MAX 9 Completed 1313 km
2026-09-05 00:40 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17438 Boeing 737 MAX 9 Completed 1244 km
2026-09-04 00:19 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37541 Boeing 737 MAX 9 Completed 1312 km
2026-09-03 00:14 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17405 Boeing 737 MAX 9 Completed 1279 km
2026-09-02 00:12 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N47434 Boeing 737 MAX 9 Completed 1294 km
2026-09-01 01:36 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17456 Boeing 737 MAX 9 Completed 1329 km
2026-08-31 00:44 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17429 Boeing 737 MAX 9 Completed 1314 km
2026-08-30 00:12 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17403 Boeing 737 MAX 9 Completed 1302 km
2026-08-29 00:15 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37577 Boeing 737 MAX 9 Completed 1307 km
2026-08-28 00:25 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17529 Boeing 737 MAX 9 Completed 1319 km
2026-08-27 01:05 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N27503 Boeing 737 MAX 9 Completed 1270 km
2026-08-26 00:17 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N27503 Boeing 737 MAX 9 Completed 1266 km
2026-08-25 00:54 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17461 Boeing 737 MAX 9 Completed 1273 km
2026-08-24 02:23 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17420 Boeing 737 MAX 9 Completed 1302 km
2026-08-23 00:24 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17401 Boeing 737 MAX 9 Completed 1936 km
2026-08-21 22:03 UTC UAL737 SFO → SFO
San Francisco → San Francisco
 N27586 Boeing 737 MAX 9 Completed 3568 km
2026-08-21 01:05 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37554 Boeing 737 MAX 9 Completed ~2609 km est. (1572 km recorded)
2026-08-20 00:15 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37513 Boeing 737 MAX 9 Completed 1665 km
2026-08-19 00:37 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17454 Boeing 737 MAX 9 Completed ~2335 km est. (1750 km recorded)
2026-08-18 01:05 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17414 Boeing 737 MAX 9 Completed 1520 km
2026-08-17 00:47 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37415 Boeing 737 MAX 9 Completed 1926 km
2026-08-15 01:48 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N37445 Boeing 737 MAX 9 Completed ~2877 km est. (1743 km recorded)
2026-08-13 00:53 UTC UAL737 SEA → SFO
Seattle → San Francisco
 N17430 Boeing 737 MAX 9 Completed ~7148 km est. (1271 km recorded)
2026-08-12 02:34 UTC UAL737 SFO → SFO
San Francisco → San Francisco
 N75853 Boeing 737-300 Completed ~2 km est. (0 km recorded)

← Back to the live map