Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL8143

Operated by United Airlines

Live map

Live map filtered to UAL8143. Shown when the flight is currently airborne.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
17:53 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
260° / 19G32 kt
Visibility
10 SM
Ceiling
SCT 4,700 ft, SCT 25,000 ft
Temp / Dew
9°C / -2°C
Altimeter
29.93 inHg

Obs: 2026-04-18T21:51:00.000Z

Raw METAR / TAF 
METAR KORD 182151Z 26019G32KT 10SM SCT047 SCT250 09/M02 A2993 RMK AO2 PK WND 27036/2139 SLP136 T00941022 $

TAF KORD 182100Z 1821/1924 28020G30KT P6SM SCT040 FM190100 25008KT P6SM FEW040 FM191500 29012G22KT P6SM FEW040 SCT100 FM191800 29014G24KT P6SM VCSH SCT040 BKN070

flight Live Traffic

flight_takeoff 385 Departures
flight_land 439 Arrivals

Arrival

SAT KSAT VFR

San Antonio International Airport

San Antonio, US

Local time
17:53 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
360° / 15G25 kt
Visibility
10 SM
Ceiling
OVC 3,700 ft
Temp / Dew
15°C / 8°C
Altimeter
30.06 inHg

Obs: 2026-04-18T21:51:00.000Z

Raw METAR / TAF 
METAR KSAT 182151Z 36015G25KT 10SM OVC037 15/08 A3006 RMK AO2 PK WND 01028/2137 SLP164 T01500083

TAF KSAT 182058Z 1821/1924 35020G30KT P6SM -RA BKN025 OVC040 FM190000 01021G31KT 6SM -SHRA BR OVC035 PROB30 1902/1906 2SM -TSRA BR OVC035CB FM190600 02012KT P6SM VCSH OVC035 FM190800 02012KT P6SM OVC025 FM191200 05012KT P6SM BKN050

flight Live Traffic

flight_takeoff 83 Departures
flight_land 52 Arrivals

Recent history last 4

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-18 A2B0CD ORD → SAT Apr 18, 01:25 UTCApr 18, 02:15 UTC50m - -
2026-04-17 A2B0CD ORD → SAT Apr 17, 23:25 UTCApr 18, 01:20 UTC1h 55m - -
2026-04-17 A2B0CD ORD → SAT Apr 17, 22:00 UTCApr 17, 23:20 UTC1h 20m - -
2026-04-16 A288FF ORD → SAT Apr 16, 21:33 UTCApr 16, 23:25 UTC1h 52m +33m -7m

Performance history

Flights tracked
4
Avg arrival delay
-7m
On-time arrival
100% 100% on time
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 4

UAL8143 frequently asked

Where does flight UAL8143 fly?
UAL8143 (United Airlines) flies from ORD to SAT. View the full route page.
How long is flight UAL8143?
Based on observed flights, UAL8143 takes on average 1h 29m from takeoff to landing.
How often does UAL8143 fly?
UAL8143 has been observed flying occasionally in our tracking data. We've recorded 4 flights under this callsign.
Is flight UAL8143 usually on time?
Across recent flights, UAL8143 arrives 7 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8143?
UAL8143 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL8143 live?
Yes. When UAL8143 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.