Apparatus

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flight_takeoff Flight

UAL452

Operated by United Airlines

Live map

Live map filtered to UAL452. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO MVFR

San Francisco International Airport

San Francisco, US

Local time
00:34 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
270° / 10 kt
Visibility
10 SM
Ceiling
OVC 1,000 ft
Temp / Dew
13°C / 11°C
Altimeter
30.11 inHg

Obs: 2026-05-30T06:56:00.000Z

Raw METAR / TAF 
METAR KSFO 300656Z 27010KT 10SM OVC010 13/11 A3011 RMK AO2 SLP195 T01280106

TAF KSFO 300520Z 3006/3112 26009KT P6SM OVC008 FM301000 27006KT P6SM OVC012 FM301800 28012KT P6SM SKC FM302300 27022KT P6SM SKC FM310600 28012KT P6SM SKC

flight Live Traffic

flight_takeoff 236 Departures
flight_land 160 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
02:34 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
20° / 3 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
16°C / 11°C
Altimeter
29.98 inHg

Obs: 2026-05-30T06:51:00.000Z

Raw METAR / TAF 
METAR KORD 300651Z 02003KT 10SM BKN250 16/11 A2998 RMK AO2 SLP147 T01610111 $

TAF KORD 300527Z 3006/3112 07004KT P6SM BKN250 FM301500 08014KT P6SM BKN250 FM310600 13008KT P6SM BKN250

flight Live Traffic

flight_takeoff 120 Departures
flight_land 141 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A28904 SFO → ORD May 29, 18:00 UTCMay 29, 23:00 UTC5h 0m - -
2026-05-28 AC0BA7 SFO → ORD May 28, 17:59 UTCMay 28, 20:45 UTC2h 46m +22m -7m
2026-05-28 AC0BA7 SFO → ORD May 28, 18:05 UTCMay 28, 19:35 UTC1h 30m - -
2026-05-24 A2615E SFO → ORD May 24, 18:00 UTCMay 24, 23:46 UTC5h 46m - -
2026-05-23 AC0B61 SFO → ORD May 23, 17:59 UTCMay 23, 20:25 UTC2h 26m +22m on time
2026-05-23 AC0B61 SFO → ORD May 23, 17:55 UTCMay 23, 19:25 UTC1h 30m - -
2026-05-21 AA4C87 SFO → ORD May 21, 18:05 UTCMay 21, 19:35 UTC1h 30m - -
2026-05-21 AA4C87 SFO → ORD May 21, 17:59 UTCMay 21, 20:39 UTC2h 40m +22m +2m
2026-05-16 A0FBB7 SFO → ORD May 16, 18:00 UTCMay 17, 00:25 UTC6h 25m - -
2026-05-15 AAA5AE SFO → ORD May 15, 18:00 UTCMay 15, 19:35 UTC1h 35m - -
2026-05-15 AAA5AE SFO → ORD May 15, 17:59 UTCMay 15, 20:34 UTC2h 35m +22m -6m
2026-05-14 A3A0EB SFO → ORD May 14, 18:05 UTCMay 15, 00:40 UTC6h 35m - -
2026-05-11 A41743 SFO → ORD May 11, 17:59 UTCMay 11, 20:28 UTC2h 29m +22m -3m
2026-05-11 A41743 SFO → ORD May 11, 18:00 UTCMay 11, 18:45 UTC45m - -
2026-05-10 A3A086 SFO → ORD May 10, 17:49 UTCMay 10, 19:15 UTC1h 25m - -
2026-05-10 A3A086 SFO → ORD May 10, 17:59 UTCMay 10, 20:16 UTC2h 17m +22m -6m
2026-05-09 A3A0CF SFO → ORD May 9, 17:49 UTCMay 9, 19:25 UTC1h 35m - -
2026-05-09 A3A0CF SFO → ORD May 9, 17:59 UTCMay 9, 20:26 UTC2h 27m +22m -6m
2026-05-08 A41722 SFO → ORD May 8, 18:05 UTCMay 8, 19:35 UTC1h 30m - -
2026-05-08 A41722 SFO → ORD May 8, 18:19 UTCMay 8, 20:32 UTC2h 13m +42m -14m
2026-05-07 A9D5A2 SFO → ORD May 7, 18:10 UTCMay 8, 00:34 UTC6h 24m - -
2026-04-30 A288E4 SFO → ORD Apr 30, 17:55 UTCApr 30, 19:35 UTC1h 40m - -
2026-04-30 A288E4 SFO → ORD Apr 30, 17:59 UTCApr 30, 20:35 UTC2h 36m +22m -10m
2026-04-29 AA7E36 SFO → ORD Apr 29, 18:15 UTCApr 30, 00:35 UTC6h 19m - -
2026-04-28 AA7E79 SFO → ORD Apr 28, 17:55 UTCApr 28, 19:40 UTC1h 45m - -
2026-04-28 AA7E79 SFO → ORD Apr 28, 17:59 UTCApr 28, 20:42 UTC2h 43m +22m +9m
2026-04-27 A14B1A SFO → ORD Apr 27, 17:50 UTCApr 28, 00:35 UTC6h 45m - -
2026-04-26 AA7E7C SFO → ORD Apr 26, 17:45 UTCApr 27, 00:30 UTC6h 45m - -
2026-04-25 A28904 SFO → ORD Apr 25, 17:50 UTCApr 26, 00:30 UTC6h 40m - -
2026-04-21 AACD50 SFO → ORD Apr 21, 17:59 UTCApr 21, 20:25 UTC2h 26m +22m -6m

Performance history

Flights tracked
41 showing last 30
Avg arrival delay
-4m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 2 months

Month Flights tracked
May 2026 21
April 2026 20

UAL452 frequently asked

Where does flight UAL452 fly?
UAL452 (United Airlines) flies from SFO to ORD. View the full route page.
How long is flight UAL452?
Based on observed flights, UAL452 takes on average 3h 18m from takeoff to landing.
How often does UAL452 fly?
UAL452 has been observed flying several times a week in our tracking data. We've recorded 41 flights under this callsign.
Is flight UAL452 usually on time?
Across recent flights, UAL452 arrives 4 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL452?
UAL452 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL452 live?
Yes. When UAL452 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.