Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1843

Operated by United Airlines

Live map

Live map filtered to UAL1843. Shown when the flight is currently airborne.

Route airports View route page →

Departure

SFO KSFO VFR

San Francisco International Airport

San Francisco, US

Local time
03:28 PDT
Timezone
America/Los_Angeles
Type
Large Airport
Elevation
13 ft
Coordinates
37.6198, -122.3748

cloud Weather

Wind
300° / 13 kt
Visibility
10 SM
Ceiling
FEW 400 ft, BKN 20,000 ft
Temp / Dew
15°C / 13°C
Altimeter
29.93 inHg

Obs: 2026-08-28T09:56:00.000Z

Raw METAR / TAF 
METAR KSFO 280956Z 30013KT 10SM FEW004 BKN200 15/13 A2993 RMK AO2 SLP135 T01500128 $

TAF KSFO 280830Z 2809/2912 30013KT P6SM FEW004 BKN200 FM282000 29014KT P6SM VCSH BKN050 OVC100 FM290300 29010KT P6SM SCT010 BKN120 FM291000 29007KT P6SM BKN010

flight Live Traffic

flight_takeoff 197 Departures
flight_land 100 Arrivals

Arrival

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
05:28 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
SCT 8,000 ft
Temp / Dew
20°C / 17°C
Altimeter
30.10 inHg

Obs: 2026-08-28T09:51:00.000Z

Raw METAR / TAF 
METAR KORD 280951Z 00000KT 10SM SCT080 20/17 A3010 RMK AO2 SLP188 T02000167

TAF KORD 280833Z 2809/2912 VRB04KT P6SM FEW080 FM281500 22006KT P6SM SCT050

flight Live Traffic

flight_takeoff 421 Departures
flight_land 745 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A39FB7 SFO → ORD Jul 26, 20:45 UTCJul 26, 21:45 UTC1h 0m - -
2026-07-25 AA2BA2 SFO → ORD Jul 25, 23:55 UTCJul 26, 02:15 UTC2h 20m - -
2026-07-25 A05DBA SFO → ORD Jul 25, 20:50 UTCJul 25, 22:25 UTC1h 35m - -
2026-07-25 A885F4 SFO → ORD Jul 25, 00:10 UTCJul 25, 02:30 UTC2h 20m - -
2026-07-24 A43EE5 SFO → ORD Jul 24, 20:45 UTCJul 24, 22:30 UTC1h 45m - -
2026-07-24 AAA244 SFO → ORD Jul 24, 00:15 UTCJul 24, 02:25 UTC2h 10m - -
2026-07-23 AA56B8 SFO → ORD Jul 23, 20:45 UTCJul 23, 22:45 UTC2h 0m - -
2026-07-23 A23A28 SFO → ORD Jul 23, 02:20 UTCJul 23, 04:00 UTC1h 40m - -
2026-07-22 A837A5 SFO → ORD Jul 22, 00:15 UTCJul 22, 02:30 UTC2h 15m - -
2026-07-21 A3A0CC SFO → ORD Jul 21, 20:55 UTCJul 21, 22:45 UTC1h 50m - -
2026-07-21 A81005 SFO → ORD Jul 21, 00:00 UTCJul 21, 02:25 UTC2h 25m - -
2026-07-20 A9D59A SFO → ORD Jul 20, 21:10 UTCJul 20, 22:55 UTC1h 45m - -
2026-07-19 AA9B82 - Jul 19, 21:45 UTCJul 19, 23:20 UTC1h 35m - -
2026-07-19 A44544 DEN → CMH Jul 19, 00:10 UTCJul 19, 02:30 UTC2h 20m - -
2026-07-19 A44544 DEN → CMH Jul 19, 00:03 UTCJul 19, 02:29 UTC2h 26m +23m -3m
2026-07-18 A03618 - Jul 18, 20:50 UTCJul 18, 22:35 UTC1h 45m - -
2026-07-18 AAA267 DEN → CMH Jul 18, 00:00 UTCJul 18, 02:25 UTC2h 25m - -
2026-07-17 A9D5DF - Jul 17, 20:44 UTCJul 17, 22:29 UTC1h 45m - -
2026-07-16 A92362 DEN → CMH Jul 16, 23:59 UTCJul 17, 02:30 UTC2h 30m - -
2026-07-16 AAC2E2 - Jul 16, 20:55 UTCJul 16, 22:55 UTC2h 0m - -
2026-07-16 A83782 DEN → CMH Jul 16, 00:10 UTCJul 16, 02:35 UTC2h 25m - -
2026-07-15 A0AD3E - Jul 15, 20:50 UTCJul 15, 22:40 UTC1h 50m - -
2026-07-15 A94BFC DEN → CMH Jul 15, 00:00 UTCJul 15, 02:25 UTC2h 25m - -
2026-07-14 A28928 - Jul 14, 21:15 UTCJul 14, 22:50 UTC1h 34m - -
2026-07-13 A4455E DEN → CMH Jul 13, 23:55 UTCJul 14, 02:20 UTC2h 25m - -
2026-07-13 A837A7 - Jul 13, 20:45 UTCJul 13, 21:45 UTC1h 0m - -
2026-07-13 A837A7 PSP → DEN Jul 13, 20:42 UTCJul 13, 22:20 UTC1h 38m +12m +10m
2026-07-13 A94B29 DEN → CMH Jul 13, 00:01 UTCJul 13, 02:20 UTC2h 20m - -
2026-07-12 AA739D - Jul 12, 20:45 UTCJul 12, 22:30 UTC1h 45m - -
2026-07-12 AA7ABD DEN → CMH Jul 12, 00:05 UTCJul 12, 02:25 UTC2h 20m - -

Performance history

Flights tracked
205 showing last 30
Avg arrival delay
+4m
On-time arrival
100% 100% on time
Aircraft used
28

Monthly activity 4 months

Month Flights tracked
July 2026 51
June 2026 59
May 2026 51
April 2026 44

UAL1843 frequently asked

Where does flight UAL1843 fly?
UAL1843 (United Airlines) flies from SFO to ORD. View the full route page.
How long is flight UAL1843?
Based on observed flights, UAL1843 takes on average 1h 59m from takeoff to landing.
How often does UAL1843 fly?
UAL1843 has been observed flying several times a week in our tracking data. We've recorded 205 flights under this callsign.
Is flight UAL1843 usually on time?
Across recent flights, UAL1843 arrives with an average 4-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1843?
UAL1843 has been operated by 28 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1843 live?
Yes. When UAL1843 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.