Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL451

Operated by United Airlines

Live map

Live map filtered to UAL451. Shown when the flight is currently airborne.

Route airports View route page →

Departure

YYC CYYC VFR

Calgary International Airport

Calgary, CA

Local time
20:01 MDT
Timezone
America/Edmonton
Type
Large Airport
Elevation
3,557 ft
Coordinates
51.1188, -114.0099

cloud Weather

Wind
220° / 3 kt
Visibility
20 SM
Ceiling
BKN 24,000 ft
Temp / Dew
18°C / -5°C
Altimeter
30.00 inHg

Obs: 2026-10-17T01:00:00.000Z

Raw METAR / TAF 
METAR CYYC 170100Z 22003KT 20SM BKN240 18/M05 A3000 RMK CI5 SLP174 DENSITY ALT 4700FT

TAF CYYC 162340Z 1700/1724 20006KT P6SM BKN250 BECMG 1700/1702 26005KT FM171200 23006KT P6SM BKN220 FM171800 25020G35KT P6SM SKC BECMG 1722/1724 27015G25KT RMK NXT FCST BY 170300Z

flight Live Traffic

flight_takeoff 25 Departures
flight_land 31 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
21:01 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
350° / 12 kt
Visibility
10 SM
Ceiling
FEW 4,300 ft, FEW 5,500 ft
Temp / Dew
8°C / 3°C
Altimeter
30.35 inHg

Obs: 2026-10-17T01:51:00.000Z

Raw METAR / TAF 
METAR KORD 170151Z 35012KT 10SM FEW043 FEW055 08/03 A3035 RMK AO2 SLP280 T00780028 $

TAF KORD 170128Z 1701/1806 34010G20KT P6SM SCT040 BKN070 FM170500 35010KT P6SM FEW050 FM171700 24010KT P6SM FEW050

flight Live Traffic

flight_takeoff 428 Departures
flight_land 371 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5D927 YYC → ORD Jul 26, 11:25 UTCJul 26, 12:40 UTC1h 15m - -
2026-07-25 A54C60 YYC → ORD Jul 25, 11:15 UTCJul 25, 12:30 UTC1h 15m - -
2026-07-25 A54C60 YYC → ORD Jul 25, 11:16 UTCJul 25, 12:19 UTC1h 3m +16m +16m
2026-07-24 A5EE13 YYC → ORD Jul 24, 11:55 UTCJul 24, 13:00 UTC1h 5m - -
2026-07-24 A5EE13 YYC → ORD Jul 24, 11:56 UTCJul 24, 12:54 UTC58m +56m -3m
2026-07-23 A0E751 YYC → ORD Jul 23, 11:20 UTCJul 23, 12:35 UTC1h 15m - -
2026-07-22 A6246E YYC → ORD Jul 22, 11:15 UTCJul 22, 12:35 UTC1h 20m - -
2026-07-21 A58672 YYC → ORD Jul 21, 11:10 UTCJul 21, 12:40 UTC1h 30m - -
2026-07-20 A5F581 YYC → ORD Jul 20, 11:10 UTCJul 20, 12:30 UTC1h 20m - -
2026-07-19 AC033E BNA → ORD Jul 19, 11:20 UTCJul 19, 12:40 UTC1h 20m - -
2026-07-18 A5F938 BNA → ORD Jul 18, 11:25 UTCJul 18, 12:40 UTC1h 15m - -
2026-07-17 AC1988 - Jul 17, 11:15 UTCJul 17, 12:30 UTC1h 15m - -
2026-07-16 A224FA BNA → ORD Jul 16, 11:15 UTCJul 16, 12:40 UTC1h 25m - -
2026-07-15 A5E095 - Jul 15, 11:30 UTCJul 15, 12:35 UTC1h 5m - -
2026-07-14 A5F581 - Jul 14, 11:05 UTCJul 14, 12:15 UTC1h 10m - -
2026-07-13 A5ADF1 - Jul 13, 11:05 UTCJul 13, 12:15 UTC1h 10m - -
2026-07-12 A16ADC BNA → ORD Jul 12, 11:20 UTCJul 12, 12:40 UTC1h 20m - -
2026-07-11 A59F15 BNA → ORD Jul 11, 11:50 UTCJul 11, 13:10 UTC1h 20m - -
2026-07-10 A5BCCD BNA → ORD Jul 10, 11:35 UTCJul 10, 12:50 UTC1h 15m - -
2026-07-09 A0E751 BNA → ORD Jul 9, 11:50 UTCJul 9, 13:00 UTC1h 10m - -
2026-07-09 A0E751 BNA → ORD Jul 9, 11:46 UTCJul 9, 12:48 UTC1h 2m +46m -6m
2026-07-08 A5BCCD - Jul 8, 11:20 UTCJul 8, 12:25 UTC1h 5m - -
2026-07-07 A5EA5C - Jul 7, 11:10 UTCJul 7, 12:30 UTC1h 20m - -
2026-07-06 A5C694 BNA → ORD Jul 6, 11:20 UTCJul 6, 12:30 UTC1h 10m - -
2026-07-05 A5BCCD BNA → ORD Jul 5, 11:15 UTCJul 5, 12:35 UTC1h 20m - -
2026-07-04 A54299 BNA → ORD Jul 4, 13:20 UTCJul 4, 14:25 UTC1h 5m - -
2026-07-04 A54299 BNA → ORD Jul 4, 13:11 UTCJul 4, 14:25 UTC1h 14m +131m +1m
2026-07-03 A55017 - Jul 3, 11:20 UTCJul 3, 12:35 UTC1h 15m - -
2026-07-02 A135CB - Jul 2, 11:20 UTCJul 2, 12:35 UTC1h 15m - -
2026-07-02 A135CB BNA → ORD Jul 2, 11:16 UTCJul 2, 12:22 UTC1h 6m +16m +1m

Performance history

Flights tracked
141 showing last 30
Avg arrival delay
+2m
On-time arrival
80% 80% on time
Aircraft used
21

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 43
May 2026 36
April 2026 31

UAL451 frequently asked

Where does flight UAL451 fly?
UAL451 (United Airlines) flies from YYC to ORD. View the full route page.
How long is flight UAL451?
Based on observed flights, UAL451 takes on average 1h 13m from takeoff to landing.
How often does UAL451 fly?
UAL451 has been observed flying daily in our tracking data. We've recorded 141 flights under this callsign.
Is flight UAL451 usually on time?
Across recent flights, UAL451 arrives with an average 2-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL451?
UAL451 has been operated by 21 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL451 live?
Yes. When UAL451 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.