Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL451

Operated by UAL

Live map

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

Route airports View route page →

Departure

BOI KBOI VFR

Boise Air Terminal/Gowen Field

Boise, US

Local time
19:39 MDT
Timezone
America/Boise
Type
Large Airport
Elevation
2,871 ft
Coordinates
43.5644, -116.2230

cloud Weather

Wind
310° / 9 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
28°C / -4°C
Altimeter
30.04 inHg

Obs: 2026-06-03T00:53:00.000Z

Raw METAR / TAF 
METAR KBOI 030053Z 31009KT 10SM CLR 28/M04 A3004 RMK AO2 SLP153 T02781039 $

TAF KBOI 022332Z 0300/0324 33010KT P6SM SCT200 FM030400 13008KT P6SM SCT200 FM032100 31014G22KT P6SM SCT130 BKN200 PROB30 0322/0324 29025G35KT 6SM -TSRA BLDU BKN110CB

flight Live Traffic

flight_takeoff 39 Departures
flight_land 25 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
20:39 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
30° / 11 kt
Visibility
10 SM
Ceiling
FEW 30,000 ft
Temp / Dew
18°C / 3°C
Altimeter
30.32 inHg

Obs: 2026-06-03T00:51:00.000Z

Raw METAR / TAF 
METAR KORD 030051Z 03011KT 10SM FEW300 18/03 A3032 RMK AO2 SLP266 T01780033 $

TAF KORD 022320Z 0300/0406 04011KT P6SM FEW300 FM030600 VRB03KT P6SM FEW300 FM031400 14008KT P6SM SCT300

flight Live Traffic

flight_takeoff 537 Departures
flight_land 701 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-06-02 A524E1 YYC → ORD Jun 2, 19:10 UTCJun 2, 22:05 UTC2h 55m - -
2026-06-01 AC5D61 YYC → ORD Jun 1, 18:50 UTCJun 1, 21:45 UTC2h 55m - -
2026-06-01 AC5D61 YYC → ORD Jun 1, 18:40 UTCJun 1, 21:28 UTC2h 48m +10m +11m
2026-05-31 AC64CF YYC → ORD May 31, 20:10 UTCMay 31, 23:05 UTC2h 55m - -
2026-05-30 AC59AA YYC → ORD May 30, 18:45 UTCMay 30, 22:30 UTC3h 45m - -
2026-05-30 AC59AA YYC → ORD May 30, 18:48 UTCMay 30, 22:03 UTC3h 15m +10m +25m
2026-05-29 AAFDA1 YYC → ORD May 29, 20:10 UTCMay 29, 23:20 UTC3h 10m - -
2026-05-28 AB1644 YYC → ORD May 28, 18:45 UTCMay 28, 22:15 UTC3h 30m - -
2026-05-27 AC121A YYC → ORD May 27, 18:55 UTCMay 27, 22:15 UTC3h 20m - -
2026-05-26 AB3A0C YYC → ORD May 26, 18:50 UTCMay 26, 22:20 UTC3h 30m - -
2026-05-25 AC4717 YYC → ORD May 25, 19:05 UTCMay 25, 22:15 UTC3h 10m - -
2026-05-24 AC523C YYC → ORD May 24, 19:20 UTCMay 24, 21:45 UTC2h 25m - -
2026-05-23 AC5D61 YYC → ORD May 23, 19:00 UTCMay 23, 21:55 UTC2h 55m - -
2026-05-23 AC5D61 YYC → ORD May 23, 18:48 UTCMay 23, 21:36 UTC2h 48m +10m -12m
2026-05-23 A56661 YYC → ORD May 23, 02:30 UTCMay 23, 05:25 UTC2h 55m - -
2026-05-21 AB4531 YYC → ORD May 21, 18:45 UTCMay 21, 21:35 UTC2h 50m - -
2026-05-20 A5954E YYC → ORD May 20, 12:35 UTCMay 20, 13:25 UTC50m - -
2026-05-19 A59F15 YYC → ORD May 19, 14:00 UTCMay 19, 14:50 UTC50m - -
2026-05-19 A59F15 YYC → ORD May 19, 14:07 UTCMay 19, 14:47 UTC40m +115m +8m
2026-05-18 A5AA3A YYC → ORD May 18, 12:50 UTCMay 18, 13:35 UTC45m - -
2026-05-17 A61949 YYC → ORD May 17, 12:50 UTCMay 17, 13:40 UTC50m - -
2026-05-16 A22539 YYC → ORD May 16, 12:31 UTCMay 16, 13:21 UTC50m - -
2026-05-15 A52898 YYC → ORD May 15, 14:00 UTCMay 15, 14:45 UTC45m - -
2026-05-15 A52898 YYC → ORD May 15, 14:13 UTCMay 15, 14:46 UTC33m +121m -3m
2026-05-14 A5C2DD YYC → ORD May 14, 12:50 UTCMay 14, 13:40 UTC50m - -
2026-05-13 AB2169 YYC → ORD May 13, 12:40 UTCMay 13, 13:31 UTC50m - -
2026-05-12 A61592 YYC → ORD May 12, 12:35 UTCMay 12, 13:20 UTC45m - -
2026-05-11 A52898 YYC → ORD May 11, 12:50 UTCMay 11, 13:40 UTC50m - -
2026-05-10 A59F15 YYC → ORD May 10, 12:49 UTCMay 10, 13:40 UTC50m - -
2026-05-09 A0E751 YYC → ORD May 9, 12:45 UTCMay 9, 13:35 UTC50m - -

Performance history

Flights tracked
70 showing last 30
Avg arrival delay
+6m
On-time arrival
80% 80% on time
Aircraft used
22

Monthly activity 3 months

Month Flights tracked
June 2026 3
May 2026 36
April 2026 31

UAL451 frequently asked

Where does flight UAL451 fly?
UAL451 (UAL) flies from BOI to ORD. View the full route page.
How long is flight UAL451?
Based on observed flights, UAL451 takes on average 2h 0m from takeoff to landing.
How often does UAL451 fly?
UAL451 has been observed flying several times a week in our tracking data. We've recorded 70 flights under this callsign.
Is flight UAL451 usually on time?
Across recent flights, UAL451 arrives with an average 6-minute delay. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL451?
UAL451 has been operated by 22 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.