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
06:39 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
250° / 10G17 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft, BKN 30,000 ft
Temp / Dew
26°C / 22°C
Altimeter
29.87 inHg

Obs: 2026-07-18T10:51:00.000Z

Raw METAR / TAF 
METAR KORD 181051Z 25010G17KT 10SM BKN250 BKN300 26/22 A2987 RMK AO2 SLP107 T02610222 $

TAF KORD 181120Z 1812/1918 25010KT P6SM SCT250 FM181400 27013G22KT P6SM SCT050 BKN250 FM181700 29012KT P6SM VCTS BKN050CB TEMPO 1817/1820 VRB20G30KT 1SM TSRA BKN020 OVC050CB FM182000 06011G17KT P6SM FEW015 SCT035 FM190100 03012G18KT 5SM FU SCT015

flight Live Traffic

flight_takeoff 378 Departures
flight_land 527 Arrivals

Arrival

SAT KSAT MVFR

San Antonio International Airport

San Antonio, US

Local time
06:39 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
809 ft
Coordinates
29.5337, -98.4698

cloud Weather

Wind
170° / 11 kt
Visibility
10 SM
Ceiling
BKN 1,600 ft, BKN 25,000 ft
Temp / Dew
26°C / 23°C
Altimeter
30.10 inHg

Obs: 2026-07-18T11:17:00.000Z

Raw METAR / TAF 
SPECI KSAT 181117Z 17011KT 10SM BKN016 BKN250 26/23 A3010 RMK AO2 T02560233 $

TAF KSAT 180859Z 1809/1912 17009KT P6SM BKN012 BKN240 FM181600 16010KT P6SM BKN030 FM181700 15014KT P6SM SCT050 FM190700 15010KT P6SM OVC019

flight Live Traffic

flight_takeoff 52 Departures
flight_land 31 Arrivals

Recent history last 26

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-18 AAC2E2 ORD → SAT Jul 18, 02:00 UTCJul 18, 03:45 UTC1h 46m - -
2026-07-04 AA7EBC DEN → AUS Jul 4, 02:50 UTCJul 4, 04:30 UTC1h 40m - -
2026-07-01 A836FB DEN → CMH Jul 1, 00:10 UTCJul 1, 02:35 UTC2h 25m - -
2026-06-27 AA7ABD MCO → EWR Jun 27, 19:05 UTCJun 27, 21:10 UTC2h 5m - -
2026-06-25 A2B135 ORD → SAT Jun 25, 18:10 UTCJun 25, 20:34 UTC2h 25m - -
2026-06-22 A3D302 ORD → SAT Jun 22, 16:24 UTCJun 22, 18:35 UTC2h 10m - -
2026-06-21 A05A03 ORD → SAT Jun 21, 16:37 UTCJun 21, 23:05 UTC6h 28m +47m +76m
2026-06-21 A05A03 ORD → SAT Jun 21, 16:59 UTCJun 21, 22:44 UTC5h 45m - -
2026-06-17 A81005 ORD → SAT Jun 17, 19:35 UTCJun 17, 23:40 UTC4h 5m - -
2026-06-15 A94B2E ORD → SAT Jun 15, 01:04 UTCJun 15, 03:10 UTC2h 5m - -
2026-06-07 AB9B9D ORD → SAT Jun 7, 17:45 UTCJun 7, 20:50 UTC3h 5m - -
2026-06-05 A76028 ORD → SAT Jun 5, 01:10 UTCJun 5, 05:05 UTC3h 55m - -
2026-05-25 A0A91F ORD → SAT May 25, 17:07 UTCMay 25, 22:31 UTC5h 24m +77m -6m
2026-05-25 A0A91F ORD → SAT May 25, 17:05 UTCMay 25, 21:45 UTC4h 39m - -
2026-05-17 A7F4E7 ORD → SAT May 17, 19:35 UTCMay 17, 20:25 UTC50m - -
2026-05-14 AA7E7A ORD → SAT May 14, 00:00 UTCMay 14, 02:25 UTC2h 25m - -
2026-05-09 A146F9 ORD → SAT May 9, 07:20 UTCMay 9, 12:05 UTC4h 45m - -
2026-05-08 A13650 ORD → SAT May 8, 01:49 UTCMay 8, 05:39 UTC3h 50m - -
2026-05-02 A2B4EA ORD → SAT May 2, 22:00 UTCMay 3, 04:35 UTC6h 34m - -
2026-05-01 AA56D5 ORD → SAT May 1, 22:35 UTCMay 1, 23:50 UTC1h 15m - -
2026-04-29 A12AC2 ORD → SAT Apr 29, 03:15 UTCApr 29, 06:25 UTC3h 10m - -
2026-04-27 A43EA6 ORD → SAT Apr 27, 00:15 UTCApr 27, 02:35 UTC2h 20m - -
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
26
Avg arrival delay
+21m
On-time arrival
67% 67% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 3
June 2026 9
May 2026 8
April 2026 6

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 3h 2m from takeoff to landing.
How often does UAL8143 fly?
UAL8143 has been observed flying several times a week in our tracking data. We've recorded 26 flights under this callsign.
Is flight UAL8143 usually on time?
Across recent flights, UAL8143 arrives with an average 21-minute delay. 67% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL8143?
UAL8143 has been operated by 22 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.