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UAL323

BUF → ORD · Boeing 737-800 · United Airlines

Flight

Status
Completed
Departure
Buffalo Niagara International Airport (BUF) — Buffalo, United States
Est. departure time
2026-08-22 14:16 UTC (approx.)
Arrival
Chicago O'Hare International Airport (ORD) — Chicago, United States
Distance flown
1241 km
Straight-line distance
760 km
Approach distance
95 km

Aircraft

Registration
N14249
Type
Boeing 737-800
Seats
166 total (102 Economy, 48 Economy Plus, 16 First)

Altitude & speed

Max altitude
38,025 ft
Max ground speed
442 kt
Tracked
1h 27m · 980 km
Altitude (ft, max 38,025)
020,53441,0670m30m1h 0m
Ground speed (kt, max 442)
02394770m30m1h 0m
Altitude (ft, max 38,025)
020,53441,0670m1h 0m
Ground speed (kt, max 442)
02394770m1h 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 17:21 UTC UAL323 DEN → FCA
Denver → Kalispell
 N78285 Boeing 737-800 Incomplete (signal lost) 1274 km
2026-10-02 14:12 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N17358 Boeing 737 MAX 8 Completed 1483 km
2026-10-01 17:21 UTC UAL323 DEN → FCA
Denver → Kalispell
 N76515 Boeing 737-800 Incomplete (signal lost) 1143 km
2026-10-01 14:15 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N17339 Boeing 737 MAX 8 Completed 1476 km
2026-09-30 17:19 UTC UAL323 DEN → FCA
Denver → Kalispell
 N77544 Boeing 737 MAX 9 Incomplete (signal lost) 1225 km
2026-09-30 14:14 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N27290 Boeing 737 MAX 8 Completed 1455 km
2026-09-29 17:30 UTC UAL323 DEN → FCA
Denver → Kalispell
 N77530 Boeing 737-800 Incomplete (signal lost) 1221 km
2026-09-29 14:15 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N27366 Boeing 737 MAX 8 Completed 1466 km
2026-09-28 17:25 UTC UAL323 DEN → ?
Denver → ?
 N33286 Boeing 737-800 Incomplete (signal lost) 1126 km
2026-09-28 14:12 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N17349 Boeing 737 MAX 8 Completed 1515 km
2026-09-27 17:26 UTC UAL323 DEN → ?
Denver → ?
 N37255 Boeing 737-800 Incomplete (signal lost) 1253 km
2026-09-26 17:09 UTC UAL323 DEN → FCA
Denver → Kalispell
 N24211 Boeing 737-800 Completed (landing presumed) 1299 km
2026-09-26 14:14 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N17327 Boeing 737 MAX 8 Completed 1479 km
2026-09-25 17:14 UTC UAL323 DEN → ?
Denver → ?
 N12225 Boeing 737-800 Incomplete (signal lost) 1225 km
2026-09-25 14:16 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N17317 Boeing 737 MAX 8 Completed 1473 km
2026-09-24 17:27 UTC UAL323 DEN → ?
Denver → ?
 N12225 Boeing 737-800 Incomplete (signal lost) 1225 km
2026-09-24 14:13 UTC UAL323 SNA → DEN
Santa Ana → Denver
 N27258 Boeing 737 MAX 8 Completed 1571 km
2026-09-23 11:51 UTC UAL323 BOS → SFO
Boston → San Francisco
 N77558 Boeing 737 MAX 9 Completed 4477 km
2026-09-22 11:59 UTC UAL323 BOS → SFO
Boston → San Francisco
 N37450 Boeing 737 MAX 9 Completed 4486 km
2026-09-21 11:53 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17422 Boeing 737 MAX 9 Completed 4594 km
2026-09-20 12:08 UTC UAL323 BOS → SFO
Boston → San Francisco
 N27474 Boeing 737 MAX 9 Completed 4704 km
2026-09-19 11:57 UTC UAL323 BOS → SFO
Boston → San Francisco
 N37450 Boeing 737 MAX 9 Completed 4765 km
2026-09-18 11:55 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17550 Boeing 737 MAX 9 Completed 4744 km
2026-09-17 12:07 UTC UAL323 BOS → SFO
Boston → San Francisco
 N37472 Boeing 737 MAX 9 Completed 4767 km
2026-09-16 12:01 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17430 Boeing 737 MAX 9 Completed 4838 km
2026-09-15 11:55 UTC UAL323 BOS → SFO
Boston → San Francisco
 N47412 Boeing 737 MAX 9 Completed 4876 km
2026-09-14 12:09 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17418 Boeing 737 MAX 9 Completed 5002 km
2026-09-13 12:03 UTC UAL323 BOS → SFO
Boston → San Francisco
 N37577 Boeing 737 MAX 9 Completed 4821 km
2026-09-12 12:15 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17405 Boeing 737 MAX 9 Completed 4829 km
2026-09-11 12:03 UTC UAL323 BOS → SFO
Boston → San Francisco
 N37549 Boeing 737 MAX 9 Completed 4955 km
2026-09-10 11:59 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17597 Boeing 737 MAX 9 Completed 4926 km
2026-09-09 11:54 UTC UAL323 BOS → SFO
Boston → San Francisco
 N17468 Boeing 737 MAX 9 Completed 5013 km
2026-09-08 11:42 UTC UAL323 BOS → ?
Boston → ?
 N47412 Boeing 737 MAX 9 Incomplete (signal lost) 1260 km
2026-09-07 14:30 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N37277 Boeing 737-800 Completed 939 km
2026-09-06 14:40 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N37474 Boeing 737-900 Completed 942 km
2026-09-05 14:27 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N77520 Boeing 737-800 Completed 951 km
2026-09-04 16:07 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N33284 Boeing 737-800 Completed 941 km
2026-09-03 14:54 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N14237 Boeing 737-800 Completed 912 km
2026-09-02 14:25 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N37287 Boeing 737-800 Completed 876 km
2026-09-01 14:42 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N54241 Boeing 737-800 Completed 884 km
2026-08-31 14:33 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N77520 Boeing 737-800 Completed 915 km
2026-08-30 14:42 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N77539 Boeing 737-800 Completed 840 km
2026-08-29 14:39 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N37257 Boeing 737 MAX 8 Completed 878 km
2026-08-28 14:36 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N17244 Boeing 737-800 Completed 919 km
2026-08-26 14:35 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N37277 Boeing 737-800 Completed 889 km
2026-08-25 14:35 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N73276 Boeing 737-800 Completed 891 km
2026-08-24 14:34 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N12225 Boeing 737-800 Completed 852 km
2026-08-23 14:55 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N14249 Boeing 737-800 Completed 1116 km
2026-08-22 14:29 UTC UAL323 BUF → ORD
Buffalo → Chicago
 N14249 Boeing 737-800 Completed 1241 km
2026-08-21 11:54 UTC UAL323 ORD → ORD
Chicago → Chicago
 N37267 Boeing 737-800 Completed 2350 km

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