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UAL1278

SMF → ORD · Boeing 737 MAX 9 · United Airlines

For travellers

Arrival · Chicago (ORD)

Terminal 1 · Gate C23
Scheduled 03 Oct 15:55 · Landed 03 Oct 15:42 · early
Board status: Active
Landed 03 Oct 15:42 (airport data)

Board data from ord, updated 174 min ago; times local to each airport.

Flight

Status
Completed (landing confirmed by airport data)
Arrival confirmed via
Airport data (confirmed)
Departure
Sacramento International Airport (SMF) — Sacramento, United States
Departed
2026-10-03 16:53 UTC
Arrival
Chicago O'Hare International Airport (ORD) — Chicago, United States
Scheduled arrival
2026-10-03 20:55 UTC
Estimated arrival
2026-10-03 20:23 UTC
Also flies as
UA1278
Codeshares
AC4834, LX3183
Distance flown
2982 km
Straight-line distance
2860 km

Aircraft

Registration
N77587
Type
Boeing 737 MAX 9
Seats
179 total (117 Economy, 42 Economy Plus, 20 First) (typical for type, not this tail)
CO2 (EMEP est., total)
59.1 t (419 kg/pax Business, 319 kg/pax Economy)

Altitude & speed

Max altitude
35,000 ft
Max ground speed
521 kt
Tracked
3h 39m · 2,969 km
Altitude (ft, max 35,000)
018,90037,8000m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Ground speed (kt, max 521)
02815630m30m1h 0m1h 30m2h 0m2h 30m3h 0m3h 30m
Altitude (ft, max 35,000)
018,90037,8000m1h 0m2h 0m3h 0m
Ground speed (kt, max 521)
02815630m1h 0m2h 0m3h 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 23:55 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N16732 Boeing 737-700 Completed 497 km
2026-10-03 16:53 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N77587 Boeing 737 MAX 9 Completed (landing confirmed by airport data) 2982 km
2026-10-02 23:44 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N489UA Airbus A320 233 Completed 548 km
2026-10-02 16:51 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N77530 Boeing 737-800 Completed (landing confirmed by airport data) 2987 km
2026-10-02 00:24 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N494UA Airbus A320 233 Completed 565 km
2026-10-01 17:24 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N77537 Boeing 737-800 Completed 3254 km
2026-09-30 23:29 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N877UA Airbus A319 Completed 587 km
2026-09-30 16:48 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N27205 Boeing 737-800 Completed 3035 km
2026-09-30 00:32 UTC UAL1278 CMH → CMH
Columbus → Columbus
 N873UA Airbus A319 Completed ~3 km est. (1 km recorded)
2026-09-29 23:27 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N873UA Airbus A319 Completed 558 km
2026-09-29 16:47 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N77518 Boeing 737-800 Completed 3051 km
2026-09-28 23:28 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N830UA Airbus A319 Completed 536 km
2026-09-28 17:19 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N77518 Boeing 737-800 Completed 2935 km
2026-09-28 02:11 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N842UA Airbus A319 Completed 529 km
2026-09-27 17:48 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N87507 Boeing 737-800 Completed 2967 km
2026-09-27 02:32 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N76533 Boeing 737-800 Completed 503 km
2026-09-26 16:46 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N33209 Boeing 737-800 Completed 2947 km
2026-09-25 23:05 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N821UA Airbus A319 Completed 509 km
2026-09-25 16:48 UTC UAL1278 SMF → ORD
Sacramento → Chicago
 N33209 Boeing 737-800 Completed 2958 km
2026-09-24 23:15 UTC UAL1278 ORD → CMH
Chicago → Columbus
 N842UA Airbus A319 Completed 511 km
2026-09-24 20:30 UTC UAL1278 CLE → ORD
Cleveland → Chicago
 N842UA Airbus A319 Completed 630 km
2026-09-23 22:17 UTC UAL1278 IAH → DCA
Houston → Washington
 N802UA Airbus A319 Completed 2091 km
2026-09-22 21:58 UTC UAL1278 IAH → DCA
Houston → Washington
 N898UA Airbus A319 Completed 2041 km
2026-09-21 22:15 UTC UAL1278 IAH → DCA
Houston → Washington
 N852UA Airbus A319 Completed 2056 km
2026-09-20 22:10 UTC UAL1278 IAH → DCA
Houston → Washington
 N804UA Airbus A319 Completed 2012 km
2026-09-19 21:53 UTC UAL1278 IAH → DCA
Houston → Washington
 N487UA Airbus A320 233 Completed 2085 km
2026-09-18 22:08 UTC UAL1278 IAH → DCA
Houston → Washington
 N851UA Airbus A319 Completed 2220 km
2026-09-17 23:10 UTC UAL1278 IAH → DCA
Houston → Washington
 N816UA Airbus A319 Completed 2126 km
2026-09-16 22:03 UTC UAL1278 IAH → DCA
Houston → Washington
 N850UA Airbus A319 Completed 2144 km
2026-09-15 22:15 UTC UAL1278 IAH → DCA
Houston → Washington
 N816UA Airbus A319 Completed 2118 km
2026-09-14 22:12 UTC UAL1278 IAH → DCA
Houston → Washington
 N838UA Airbus A319 Completed 2228 km
2026-09-13 22:09 UTC UAL1278 IAH → DCA
Houston → Washington
 N898UA Airbus A319 Completed 2169 km
2026-09-12 21:58 UTC UAL1278 IAH → DCA
Houston → Washington
 N895UA Airbus A319 Completed 2123 km
2026-09-11 22:13 UTC UAL1278 IAH → DCA
Houston → Washington
 N817UA Airbus A319 Completed 2383 km
2026-09-10 22:17 UTC UAL1278 IAH → DCA
Houston → Washington
 N497UA Airbus A320 233 Completed 2257 km
2026-09-09 22:09 UTC UAL1278 IAH → DCA
Houston → Washington
 N871UA Airbus A319 Completed 2145 km
2026-09-07 13:16 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N37408 Boeing 737-900 Completed 1909 km
2026-09-06 15:49 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N37545 Boeing 737 MAX 9 Completed 1728 km
2026-09-05 13:47 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N79402 Boeing 737-900 Completed 1915 km
2026-09-04 13:09 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N77573 Boeing 737 MAX 9 Completed (landing presumed) 1975 km
2026-09-03 13:07 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N35407 Boeing 737-900 Completed 1872 km
2026-09-02 13:40 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N72405 Boeing 737-900 Completed 1772 km
2026-09-01 13:04 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N17459 Boeing 737 MAX 9 Completed 1917 km
2026-08-31 13:06 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N35407 Boeing 737-900 Completed 1968 km
2026-08-30 13:03 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N17337 Boeing 737 MAX 8 Completed 1708 km
2026-08-29 13:51 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N73406 Boeing 737-900 Completed 1914 km
2026-08-28 13:10 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N47512 Boeing 737 MAX 9 Completed 1971 km
2026-08-27 13:10 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N32404 Boeing 737-900 Completed 2108 km
2026-08-26 13:07 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N35407 Boeing 737-900 Completed 1682 km
2026-08-25 13:06 UTC UAL1278 FLL → IAH
Fort Lauderdale → Houston
 N77588 Boeing 737 MAX 9 Completed 1719 km

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