Flight Status & Tracker

UAL1231

UNITED AIRLINES INC · ORD → IAH · Last tracked Sep 27, 2026

UAL1231 is a flight number operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL1231 on September 27, 2026. The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 57m. SkyMeter has observed 96 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
96
last 90 days
⏱
AVG DURATION
1h 57m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/27/2026
first → last seen
🗺
ROUTES / TYPES
3 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
78
avg 2h 19m · Chicago O'Hare → George Bush Intercontinental Houston

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL1231

30
9/23/2026
2h 19m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window