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
22:06 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
680 ft
Coordinates
41.9786, -87.9048

cloud Weather

Wind
30° / 10 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
19°C / 11°C
Altimeter
29.96 inHg

Obs: 2026-05-30T02:51:00.000Z

Raw METAR / TAF 
METAR KORD 300251Z 03010KT 10SM BKN250 19/11 A2996 RMK AO2 SLP141 T01940111 53006 $

TAF KORD 300237Z 3003/3106 07004KT P6SM BKN250 FM301400 08014KT P6SM BKN250

flight Live Traffic

flight_takeoff 552 Departures
flight_land 399 Arrivals

Arrival

IAH KIAH VFR

George Bush Intercontinental Airport

Houston, US

Local time
22:06 CDT
Timezone
America/Chicago
Type
Large Airport
Elevation
97 ft
Coordinates
29.9844, -95.3414

cloud Weather

Wind
180° / 6 kt
Visibility
10 SM
Ceiling
FEW 3,000 ft, SCT 25,000 ft
Temp / Dew
28°C / 22°C
Altimeter
29.87 inHg

Obs: 2026-05-30T02:53:00.000Z

Raw METAR / TAF 
METAR KIAH 300253Z 18006KT 10SM FEW030 SCT250 28/22 A2987 RMK AO2 SLP114 T02780222 53010

TAF KIAH 292320Z 3000/3106 VRB05KT P6SM SCT050 BKN250 FM301100 VRB03KT P6SM SCT010 FM301500 21006KT P6SM FEW025 FM301800 17009KT P6SM SCT040 BKN250 FM310300 18006KT P6SM FEW030 BKN250

flight Live Traffic

flight_takeoff 297 Departures
flight_land 385 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A0B848 RDU → EWR May 29, 13:05 UTCMay 29, 15:10 UTC2h 5m - -
2026-05-28 A0B823 RDU → EWR May 28, 13:00 UTCMay 28, 15:10 UTC2h 10m - -
2026-05-27 A0B81D RDU → EWR May 27, 13:03 UTCMay 27, 15:14 UTC2h 11m +33m +10m
2026-05-27 A0B81D RDU → EWR May 27, 12:50 UTCMay 27, 15:15 UTC2h 25m - -
2026-05-26 A0B845 RDU → EWR May 26, 13:10 UTCMay 26, 15:29 UTC2h 20m - -
2026-05-25 A3D2E5 RDU → EWR May 25, 13:00 UTCMay 25, 15:15 UTC2h 15m - -
2026-05-25 A3D2E5 RDU → EWR May 25, 13:03 UTCMay 25, 15:17 UTC2h 14m +33m +2m
2026-05-25 A12B09 RDU → EWR May 25, 07:30 UTCMay 25, 10:40 UTC3h 10m - -
2026-05-24 A0B7D9 RDU → EWR May 24, 13:35 UTCMay 24, 15:55 UTC2h 20m - -
2026-05-24 A81000 RDU → EWR May 24, 07:45 UTCMay 24, 11:00 UTC3h 15m - -
2026-05-23 A0B840 RDU → EWR May 23, 12:55 UTCMay 23, 15:20 UTC2h 25m - -
2026-05-22 A0B88F RDU → EWR May 22, 13:10 UTCMay 22, 15:35 UTC2h 25m - -
2026-05-21 A24508 RDU → EWR May 21, 13:01 UTCMay 21, 15:10 UTC2h 10m - -
2026-05-21 A81000 RDU → EWR May 21, 07:50 UTCMay 21, 11:00 UTC3h 10m - -
2026-05-20 A0B866 RDU → EWR May 20, 12:45 UTCMay 20, 15:05 UTC2h 20m - -
2026-05-19 A0B7BB RDU → EWR May 19, 13:03 UTCMay 19, 15:00 UTC1h 57m +33m +1m
2026-05-19 A0B7BB RDU → EWR May 19, 12:45 UTCMay 19, 15:05 UTC2h 20m - -
2026-05-18 A0B826 RDU → EWR May 18, 13:05 UTCMay 18, 15:30 UTC2h 25m - -
2026-05-17 A0B86A RDU → EWR May 17, 12:50 UTCMay 17, 15:05 UTC2h 15m - -
2026-05-16 A0B7D8 RDU → EWR May 16, 13:01 UTCMay 16, 15:20 UTC2h 20m - -
2026-05-15 A0B7B8 RDU → EWR May 15, 13:00 UTCMay 15, 15:30 UTC2h 29m - -
2026-05-15 A0B7B8 RDU → EWR May 15, 13:10 UTCMay 15, 15:27 UTC2h 17m +40m +8m
2026-05-14 A0B848 RDU → EWR May 14, 12:55 UTCMay 14, 14:55 UTC2h 0m - -
2026-05-13 A6ED3B RDU → EWR May 13, 12:50 UTCMay 13, 14:51 UTC2h 0m - -
2026-05-13 A6ED3B RDU → EWR May 13, 13:03 UTCMay 13, 14:49 UTC1h 46m +33m +4m
2026-05-12 A0B7D8 RDU → EWR May 12, 13:03 UTCMay 12, 14:46 UTC1h 43m +33m -4m
2026-05-12 A0B7D8 RDU → EWR May 12, 12:45 UTCMay 12, 14:50 UTC2h 5m - -
2026-05-11 A55FA2 RDU → EWR May 11, 13:00 UTCMay 11, 15:15 UTC2h 15m - -
2026-05-10 A0B7B7 RDU → EWR May 10, 13:03 UTCMay 10, 15:08 UTC2h 5m +33m on time
2026-05-10 A0B7B7 RDU → EWR May 10, 12:59 UTCMay 10, 15:09 UTC2h 10m - -

Performance history

Flights tracked
72 showing last 30
Avg arrival delay
+3m
On-time arrival
100% 100% on time
Aircraft used
20

Monthly activity 2 months

Month Flights tracked
May 2026 42
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 18m 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 72 flights under this callsign.
Is flight UAL1231 usually on time?
Across recent flights, UAL1231 arrives with an average 3-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL1231?
UAL1231 has been operated by 20 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.