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.

Route airports View route page →

Departure

ORD KORD VFR

Chicago O'Hare International Airport

Chicago, US

Local time
03:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
130° / 3 kt
Visibility
10 SM
Ceiling
SCT 8,000 ft
Temp / Dew
21°C / 17°C
Altimeter
30.07 inHg

Obs: 2026-08-28T07:51:00.000Z

Raw METAR / TAF 
METAR KORD 280751Z 13003KT 10SM SCT080 21/17 A3007 RMK AO2 SLP179 T02060167

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

flight Live Traffic

flight_takeoff 184 Departures
flight_land 172 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
03:42 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
200° / 3 kt
Visibility
10 SM
Ceiling
SCT 6,500 ft, BKN 10,000 ft, BKN 25,000 ft
Temp / Dew
29°C / 26°C
Altimeter
29.99 inHg

Obs: 2026-08-28T07:53:00.000Z

Raw METAR / TAF 
METAR KIAH 280753Z 20003KT 10SM SCT065 BKN100 BKN250 29/26 A2999 RMK AO2 SLP153 CB DSNT S T02890256

TAF KIAH 280810Z 2808/2912 VRB05KT P6SM VCTS SCT025CB SCT100 FM281100 VRB05KT P6SM FEW080 SCT250 FM281900 13006KT P6SM SCT250 FM290300 VRB05KT P6SM FEW030

flight Live Traffic

flight_takeoff 134 Departures
flight_land 142 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.