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
KONT → KDEN
35
avg 2h 0m · Ontario → Denver

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
22
B39M BOEING Boeing 737 MAX 9
10
A320 AIRBUS Airbus A320
9
B739 BOEING Boeing 737-900
1

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
N37537BOEING Boeing 737 MAX 9
→
06/03/2026
2h 11m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
06/02/2026
2h 10m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
06/02/2026
37m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
06/01/2026
1h 26m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
06/01/2026
2h 4m
No alerts
Replay Analysis
N27246BOEING Boeing 737-800
→
05/31/2026
2h 7m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
05/29/2026
1h 57m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
05/29/2026
5m
No alerts
Replay Analysis
N76533BOEING Boeing 737-800
→
05/28/2026
2h 3m
△ Unstable
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
05/26/2026
2h 21m
△ Unstable
Replay Analysis
N37553BOEING Boeing 737 MAX 9
→
05/25/2026
2h 2m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
05/24/2026
2h 12m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
05/23/2026
1h 48m
No alerts
Replay Analysis
N27520BOEING Boeing 737 MAX 9
→
05/21/2026
1h 53m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
05/20/2026
1h 55m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
05/18/2026
1h 50m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
05/17/2026
2h 6m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
05/16/2026
2h 0m
No alerts
Replay Analysis
N37502BOEING Boeing 737 MAX 9
→
05/15/2026
2h 8m
△ Unstable
Replay Analysis
N27239BOEING Boeing 737-800
→
05/14/2026
1h 55m
No alerts
Replay Analysis
N76269BOEING Boeing 737-800
→
05/13/2026
12m
No alerts
Replay Analysis
N76269BOEING Boeing 737-800
→
05/13/2026
2h 8m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
05/11/2026
1h 59m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
05/10/2026
2h 10m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
05/08/2026
2h 2m
No alerts
Replay Analysis
N14242BOEING Boeing 737-800
→
05/07/2026
1h 58m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/04/2026
1h 30m
No alerts
Replay Analysis
N33294BOEING Boeing 737-800
→
05/04/2026
37m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
05/03/2026
2h 6m
No alerts
Replay Analysis
N77520BOEING Boeing 737-800
→
05/02/2026
14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window