UAL1253

UNITED AIRLINES INC · DEN → IAH

UAL1253 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 20m. SkyMeter has observed 73 legs of this flight number via ADS-B.

✈
FLIGHTS
73
last 90 days
⏱
AVG DURATION
2h 20m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 07/18/2026
first → last seen
🗺
ROUTES / TYPES
4 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KDEN → KIAH
45
avg 2h 13m · Denver → George Bush Intercontinental Houston
KEWR → KPBI
23
avg 2h 44m · Newark Liberty → Palm Beach

Aircraft types

Equipment used on this number

6
A21N AIRBUS Airbus A321 Neo
45
B739 BOEING Boeing 737-900
16
B38M BOEING Boeing 737 MAX 8
5
A319 AIRBUS Airbus A319
4
A320 AIRBUS Airbus A320
1
B39M BOEING Boeing 737 MAX 9
1

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 UAL1253

30
N14539AIRBUS Airbus A321 Neo
→
07/18/2026
1h 57m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
07/17/2026
1h 49m
No alerts
Replay Analysis
N466UAAIRBUS Airbus A320
→
07/16/2026
2h 10m
No alerts
Replay Analysis
N14527AIRBUS Airbus A321 Neo
→
07/14/2026
2h 13m
No alerts
Replay Analysis
N54552AIRBUS Airbus A321 Neo
→
07/13/2026
2h 12m
No alerts
Replay Analysis
N44501AIRBUS Airbus A321 Neo
→
07/11/2026
2h 10m
No alerts
Replay Analysis
N34535AIRBUS Airbus A321 Neo
→
07/10/2026
2h 8m
No alerts
Replay Analysis
N14507AIRBUS Airbus A321 Neo
→
07/09/2026
2h 2m
No alerts
Replay Analysis
N14507AIRBUS Airbus A321 Neo
→
07/09/2026
22m
No alerts
Replay Analysis
N34562AIRBUS Airbus A321 Neo
→
07/07/2026
2h 3m
No alerts
Replay Analysis
N14511AIRBUS Airbus A321 Neo
→
07/06/2026
2h 13m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
07/04/2026
2h 15m
No alerts
Replay Analysis
N34562AIRBUS Airbus A321 Neo
→
07/03/2026
2h 15m
No alerts
Replay Analysis
N14528AIRBUS Airbus A321 Neo
→
07/02/2026
2h 24m
No alerts
Replay Analysis
N54570AIRBUS Airbus A321 Neo
→
06/30/2026
2h 18m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
06/29/2026
2h 26m
No alerts
Replay Analysis
N24516AIRBUS Airbus A321 Neo
→
06/27/2026
2h 26m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
06/26/2026
2h 43m
No alerts
Replay Analysis
N14504AIRBUS Airbus A321 Neo
→
06/25/2026
2h 26m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
06/23/2026
2h 8m
No alerts
Replay Analysis
N14507AIRBUS Airbus A321 Neo
→
06/22/2026
2h 12m
No alerts
Replay Analysis
N68821BOEING Boeing 737-900
→
06/21/2026
2h 4m
No alerts
Replay Analysis
N54552AIRBUS Airbus A321 Neo
→
06/20/2026
2h 2m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
06/19/2026
2h 19m
No alerts
Replay Analysis
N14518AIRBUS Airbus A321 Neo
→
06/18/2026
2h 16m
No alerts
Replay Analysis
N14509AIRBUS Airbus A321 Neo
→
06/16/2026
2h 8m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
06/15/2026
2h 9m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
06/13/2026
2h 15m
No alerts
Replay Analysis
N14515AIRBUS Airbus A321 Neo
→
06/12/2026
2h 2m
No alerts
Replay Analysis
N14529AIRBUS Airbus A321 Neo
→
06/11/2026
1h 34m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window