Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL2221

Operated by United Airlines

Live map

Live map filtered to UAL2221. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ONT KONT VFR

Ontario International Airport

Ontario, US

Local time
08:32 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
944 ft
Coordinates
34.0560, -117.6010

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 16,000 ft, FEW 28,000 ft
Temp / Dew
27°C / 20°C
Altimeter
29.91 inHg

Obs: 2026-08-28T14:53:00.000Z

Raw METAR / TAF 
METAR KONT 281453Z 00000KT 10SM FEW160 FEW280 27/20 A2991 RMK AO2 SLP107 T02720200 53013 $

TAF KONT 281120Z 2812/2918 VRB04KT P6SM SCT250 FM282100 25012G20KT P6SM BKN150 FM290200 25008KT P6SM SCT200 FM290500 VRB04KT P6SM FEW200

flight Live Traffic

flight_takeoff 50 Departures
flight_land 28 Arrivals

Arrival

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
08:32 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
290° / 9 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 12,000 ft, OVC 20,000 ft
Temp / Dew
16°C / 13°C
Altimeter
30.00 inHg
Wx
-RA

Obs: 2026-08-28T14:56:00.000Z

Raw METAR / TAF 
METAR KSFO 281456Z 29009KT 10SM -RA FEW004 BKN120 OVC200 16/13 A3000 RMK AO2 RAB52 SLP157 P0000 60000 T01610133 53024

TAF KSFO 281447Z 2815/2918 28009KT P6SM VCSH OVC150 FM282000 28016KT P6SM OVC100 FM291000 27011KT P6SM SCT010

flight Live Traffic

flight_takeoff 112 Departures
flight_land 223 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A5CFA5 ONT → SFO Jul 26, 00:35 UTCJul 26, 01:00 UTC25m - -
2026-07-25 A445A9 ONT → SFO Jul 25, 05:10 UTCJul 25, 05:20 UTC10m - -
2026-07-25 A445A9 ONT → SFO Jul 25, 00:15 UTCJul 25, 00:45 UTC30m - -
2026-07-24 A1270F ONT → SFO Jul 24, 00:30 UTCJul 24, 00:55 UTC25m - -
2026-07-23 A123E3 - Jul 23, 00:25 UTCJul 23, 00:55 UTC30m - -
2026-07-21 A127BB - Jul 21, 00:20 UTCJul 21, 00:45 UTC25m - -
2026-07-21 A127BB LAX → OGG Jul 21, 00:21 UTCJul 21, 05:25 UTC5h 4m +16m -10m
2026-07-20 A5CF1B LAX → OGG Jul 20, 01:36 UTCJul 20, 06:30 UTC4h 54m +91m -13m
2026-07-19 A127BB - Jul 19, 00:15 UTCJul 19, 00:45 UTC30m - -
2026-07-19 A127BB LAX → OGG Jul 19, 00:21 UTCJul 19, 05:41 UTC5h 20m +16m +5m
2026-07-18 A2B136 - Jul 18, 00:25 UTCJul 18, 01:00 UTC35m - -
2026-07-18 A2B136 LAX → OGG Jul 18, 00:21 UTCJul 18, 05:44 UTC5h 23m +16m -9m
2026-07-17 A1277B - Jul 17, 00:25 UTCJul 17, 01:25 UTC1h 0m - -
2026-07-16 A5CC19 - Jul 16, 00:20 UTCJul 16, 00:50 UTC30m - -
2026-07-16 A5CC19 LAX → OGG Jul 16, 00:21 UTCJul 16, 05:31 UTC5h 10m +16m -6m
2026-07-15 A126ED - Jul 15, 00:30 UTCJul 15, 01:00 UTC30m - -
2026-07-15 A126ED LAX → OGG Jul 15, 00:21 UTCJul 15, 05:40 UTC5h 19m +16m -12m
2026-07-14 A5CC19 - Jul 14, 00:55 UTCJul 14, 01:25 UTC30m - -
2026-07-13 A44939 - Jul 13, 01:15 UTCJul 13, 01:45 UTC30m - -
2026-07-12 A2B153 - Jul 12, 00:15 UTCJul 12, 00:45 UTC30m - -
2026-07-12 A2B153 LAX → OGG Jul 12, 00:21 UTCJul 12, 05:23 UTC5h 2m +16m on time
2026-07-11 A2B134 - Jul 11, 00:25 UTCJul 11, 00:50 UTC25m - -
2026-07-10 A12797 - Jul 10, 00:20 UTCJul 10, 00:50 UTC30m - -
2026-07-09 A1244B - Jul 9, 00:15 UTCJul 9, 00:45 UTC30m - -
2026-07-09 A1244B LAX → OGG Jul 9, 00:21 UTCJul 9, 05:25 UTC5h 4m +16m -8m
2026-07-08 A43EEA - Jul 8, 01:05 UTCJul 8, 01:45 UTC40m - -
2026-07-08 A43EEA LAX → OGG Jul 8, 01:11 UTCJul 8, 06:09 UTC4h 58m +66m -17m
2026-07-07 A4418C - Jul 7, 00:20 UTCJul 7, 01:00 UTC40m - -
2026-07-06 A44238 - Jul 6, 00:25 UTCJul 6, 01:00 UTC35m - -
2026-07-05 A5CBF3 - Jul 5, 00:20 UTCJul 5, 00:45 UTC25m - -

Performance history

Flights tracked
130 showing last 30
Avg arrival delay
-8m
On-time arrival
100% 100% on time
Aircraft used
19

Monthly activity 4 months

Month Flights tracked
July 2026 37
June 2026 49
May 2026 25
April 2026 19

UAL2221 frequently asked

Where does flight UAL2221 fly?
UAL2221 (United Airlines) flies from ONT to SFO. View the full route page.
How long is flight UAL2221?
Based on observed flights, UAL2221 takes on average 1h 54m from takeoff to landing.
How often does UAL2221 fly?
UAL2221 has been observed flying several times a week in our tracking data. We've recorded 130 flights under this callsign.
Is flight UAL2221 usually on time?
Across recent flights, UAL2221 arrives 8 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL2221?
UAL2221 has been operated by 19 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL2221 live?
Yes. When UAL2221 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.