UAL1263

UNITED AIRLINES INC · ONT DEN

UAL1263 is operated by UNITED AIRLINES INC between Ontario International Airport (KONT) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 49m. SkyMeter has observed 40 legs of this flight number via ADS-B.

FLIGHTS
40
last 90 days
AVG DURATION
1h 49m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 4
city pairs · airframes
INCIDENT RATE
12.5%
5 flagged

Routes flown

By count · last 90 days

1
35
avg 2h 0m · Ontario → Denver

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
5
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 UAL1263

30
06/01/2026
1h 26m
No alerts
05/28/2026
2h 3m
△ Unstable
05/26/2026
2h 21m
△ Unstable
05/15/2026
2h 8m
△ Unstable
05/04/2026
1h 30m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window