Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL1231

Operated by UAL

Live map

Live map filtered to UAL1231. Shown when the flight is currently airborne.

Upcoming flights 1 scheduled

From To Scheduled departure Estimated arrival Status
ORD IAH Oct 12, 01:03 PM UTC Oct 12, 03:09 PM UTC PLANNED

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
07:58 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
210° / 10 kt
Visibility
10 SM
Ceiling
FEW 18,000 ft, SCT 25,000 ft
Temp / Dew
18°C / 14°C
Altimeter
29.88 inHg

Obs: 2026-10-12T12:51:00.000Z

Raw METAR / TAF 
METAR KORD 121251Z 21010KT 10SM FEW180 SCT250 18/14 A2988 RMK AO2 SLP116 T01830139 $

TAF KORD 121120Z 1212/1318 20008KT P6SM BKN250 FM121700 21013G24KT P6SM FEW250 FM122300 21012KT P6SM FEW120 FM130300 23011KT P6SM FEW100 WS015/27045KT FM131000 26010KT P6SM FEW200

flight Live Traffic

flight_takeoff 314 Departures
flight_land 593 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
07:58 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
90° / 5 kt
Visibility
10 SM
Ceiling
FEW 2,500 ft, BKN 23,000 ft
Temp / Dew
23°C / 22°C
Altimeter
30.02 inHg

Obs: 2026-10-12T11:53:00.000Z

Raw METAR / TAF 
METAR KIAH 121153Z 09005KT 10SM FEW025 BKN230 23/22 A3002 RMK AO2 SLP166 T02280217 10228 20217 53000

TAF KIAH 121120Z 1212/1318 12006KT P6SM SCT025 SCT250 FM121600 14012KT P6SM SCT035 BKN250 PROB30 1218/1221 -SHRA FM122100 14013G20KT P6SM SCT100 FM130300 14006KT P6SM SCT015 OVC050 TEMPO 1310/1313 OVC015

flight Live Traffic

flight_takeoff 383 Departures
flight_land 250 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A0B88D RDU → EWR Jul 26, 13:20 UTCJul 26, 15:20 UTC2h 0m - -
2026-07-25 A6ED7F RDU → EWR Jul 25, 13:00 UTCJul 25, 15:10 UTC2h 10m - -
2026-07-25 A6ED7F RDU → EWR Jul 25, 13:08 UTCJul 25, 15:08 UTC2h 0m +33m -13m
2026-07-24 A0B88F RDU → EWR Jul 24, 13:40 UTCJul 24, 15:50 UTC2h 10m - -
2026-07-23 A0B7BA RDU → EWR Jul 23, 12:55 UTCJul 23, 14:55 UTC2h 0m - -
2026-07-22 A0B845 RDU → EWR Jul 22, 12:55 UTCJul 22, 14:55 UTC2h 0m - -
2026-07-21 A0B846 RDU → EWR Jul 21, 13:00 UTCJul 21, 15:00 UTC2h 0m - -
2026-07-20 A24573 RDU → EWR Jul 20, 13:10 UTCJul 20, 15:10 UTC2h 0m - -
2026-07-20 A24573 RDU → EWR Jul 20, 13:08 UTCJul 20, 15:03 UTC1h 55m +33m -10m
2026-07-18 A24508 - Jul 18, 13:45 UTCJul 18, 15:50 UTC2h 5m - -
2026-07-17 A3D326 - Jul 17, 13:15 UTCJul 17, 15:15 UTC2h 0m - -
2026-07-17 A3D326 ORD → IAH Jul 17, 13:08 UTCJul 17, 15:14 UTC2h 6m +33m -6m
2026-07-16 A0B844 - Jul 16, 13:15 UTCJul 16, 15:25 UTC2h 10m - -
2026-07-16 A0B844 ORD → IAH Jul 16, 13:18 UTCJul 16, 15:19 UTC2h 1m +43m +4m
2026-07-15 A24529 - Jul 15, 14:30 UTCJul 15, 16:35 UTC2h 5m - -
2026-07-14 A0B821 - Jul 14, 12:40 UTCJul 14, 14:55 UTC2h 15m - -
2026-07-13 A3D2C0 - Jul 13, 13:15 UTCJul 13, 15:10 UTC1h 55m - -
2026-07-12 A56050 - Jul 12, 12:55 UTCJul 12, 15:01 UTC2h 5m - -
2026-07-11 A0B845 - Jul 11, 13:05 UTCJul 11, 15:20 UTC2h 15m - -
2026-07-10 A0B801 - Jul 10, 13:05 UTCJul 10, 15:30 UTC2h 25m - -
2026-07-09 A0B7B7 - Jul 9, 13:05 UTCJul 9, 15:05 UTC2h 0m - -
2026-07-08 A0B823 - Jul 8, 12:55 UTCJul 8, 14:55 UTC2h 0m - -
2026-07-07 A6EDE5 - Jul 7, 12:55 UTCJul 7, 15:10 UTC2h 15m - -
2026-07-06 A0B889 - Jul 6, 12:50 UTCJul 6, 15:00 UTC2h 10m - -
2026-07-05 A0B7FD ORD → IAH Jul 5, 13:08 UTCJul 5, 14:57 UTC1h 49m +33m +6m
2026-07-05 A0B7FD - Jul 5, 12:55 UTCJul 5, 13:15 UTC20m - -
2026-07-04 A0B7DC - Jul 4, 13:05 UTCJul 4, 15:15 UTC2h 10m - -
2026-07-03 A0B801 - Jul 3, 13:10 UTCJul 3, 15:10 UTC2h 0m - -
2026-07-02 AD22E1 ORD → IAH Jul 2, 13:08 UTCJul 2, 15:00 UTC1h 52m +33m -2m
2026-07-02 AD22E1 - Jul 2, 13:00 UTCJul 2, 15:00 UTC2h 0m - -

Performance history

Flights tracked
150 showing last 30
Avg arrival delay
-3m
On-time arrival
100% 100% on time
Aircraft used
22

Monthly activity 4 months

Month Flights tracked
July 2026 31
June 2026 44
May 2026 45
April 2026 30

UAL1231 frequently asked

Where does flight UAL1231 fly?
UAL1231 (UAL) flies from ORD to IAH. View the full route page.
How long is flight UAL1231?
Based on observed flights, UAL1231 takes on average 2h 0m from takeoff to landing.
How often does UAL1231 fly?
UAL1231 has been observed flying several times a week in our tracking data. We've recorded 150 flights under this callsign.
Is flight UAL1231 usually on time?
Across recent flights, UAL1231 arrives 3 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1231?
UAL1231 has been operated by 22 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL1231 live?
Yes. When UAL1231 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.