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
00:46 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
260° / 4 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
27°C / 19°C
Altimeter
30.16 inHg

Obs: 2026-07-14T04:51:00.000Z

Raw METAR / TAF 
METAR KORD 140451Z 26004KT 10SM CLR 27/19 A3016 RMK AO2 SLP207 T02720194

TAF KORD 140520Z 1406/1512 27006KT P6SM SKC FM141200 32005KT P6SM SKC FM141900 08006KT P6SM SKC FM150000 25005KT P6SM SKC

flight Live Traffic

flight_takeoff 553 Departures
flight_land 520 Arrivals

Arrival

IAH KIAH LIFR

George Bush Intercontinental Airport

Houston, US

Local time
00:46 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
50° / 5 kt
Visibility
10 SM
Ceiling
BKN 400 ft, BKN 2,500 ft, OVC 18,000 ft
Temp / Dew
25°C / 25°C
Altimeter
30.08 inHg

Obs: 2026-07-14T05:20:00.000Z

Raw METAR / TAF 
SPECI KIAH 140520Z 05005KT 10SM BKN004 BKN025 OVC180 25/25 A3008 RMK AO2 T02500250

TAF KIAH 140520Z 1406/1512 VRB03KT P6SM FEW008 SCT020 OVC150 TEMPO 1406/1410 BKN008 FM141000 VRB04KT P6SM VCTS SCT015 BKN020CB FM141200 16005KT 5SM SHRA VCTS SCT015 BKN020CB TEMPO 1412/1416 3SM TSRA OVC015CB FM141600 18007KT 6SM SHRA BR SCT020 BKN025 FM141900 15007KT P6SM SCT030 OVC100 FM150300 VRB03KT P6SM SCT030 BKN070

flight Live Traffic

flight_takeoff 301 Departures
flight_land 259 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
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 - -
2026-07-01 A245B7 - Jul 1, 13:00 UTCJul 1, 15:05 UTC2h 5m - -
2026-06-30 A0B81D - Jun 30, 12:55 UTCJun 30, 15:00 UTC2h 5m - -
2026-06-29 A2452A - Jun 29, 12:55 UTCJun 29, 14:54 UTC2h 0m - -
2026-06-28 A6ED3B - Jun 28, 13:00 UTCJun 28, 14:59 UTC2h 0m - -
2026-06-28 A6ED3B ORD → IAH Jun 28, 13:08 UTCJun 28, 14:59 UTC1h 51m +33m -5m
2026-06-27 A0B821 - Jun 27, 13:00 UTCJun 27, 15:05 UTC2h 5m - -
2026-06-26 A24529 ORD → IAH Jun 26, 13:20 UTCJun 26, 15:31 UTC2h 11m +45m +12m
2026-06-26 A24529 - Jun 26, 13:04 UTCJun 26, 15:34 UTC2h 30m - -
2026-06-25 A0B889 - Jun 25, 13:09 UTCJun 25, 15:10 UTC2h 0m - -
2026-06-24 A0B81D - Jun 24, 12:40 UTCJun 24, 14:55 UTC2h 15m - -
2026-06-23 A0B88B - Jun 23, 12:55 UTCJun 23, 15:15 UTC2h 20m - -
2026-06-22 A0B7FA ORD → IAH Jun 22, 13:03 UTCJun 22, 15:08 UTC2h 5m +33m -28m
2026-06-22 A0B7FA - Jun 22, 12:54 UTCJun 22, 15:10 UTC2h 15m - -
2026-06-21 A0B841 - Jun 21, 12:55 UTCJun 21, 15:09 UTC2h 15m - -
2026-06-21 A12AC9 LAS → ORD Jun 21, 07:49 UTCJun 21, 10:54 UTC3h 5m - -
2026-06-20 A0B826 - Jun 20, 12:59 UTCJun 20, 15:49 UTC2h 50m - -

Performance history

Flights tracked
134 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 15
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 6m 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 134 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.