UAL1424

UNITED AIRLINES INC · DEN → SEA

UAL1424 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 16m. SkyMeter has observed 113 legs of this flight number via ADS-B.

✈
FLIGHTS
113
last 90 days
⏱
AVG DURATION
2h 16m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.9%
1 flagged

Routes flown

By count · last 90 days

3
KDEN → KSEA
75
avg 2h 43m · Denver → Seattle Tacoma
KOKC → KDEN
23
avg 1h 36m · Will Rogers World → Denver
3WA8 → KSEA
1
avg 7m · Evergreen Hospital Heliport → Seattle Tacoma

Aircraft types

Equipment used on this number

5
A21N AIRBUS Airbus A321 Neo
48
B738 BOEING Boeing 737-800
29
B739 BOEING Boeing 737-900
27
B38M BOEING Boeing 737 MAX 8
3
B39M BOEING Boeing 737 MAX 9
3

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL1424

30
N54558AIRBUS Airbus A321 Neo
→
07/19/2026
2h 38m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
07/19/2026
1h 24m
No alerts
Replay Analysis
N14524AIRBUS Airbus A321 Neo
→
07/18/2026
2h 33m
No alerts
Replay Analysis
N78509BOEING Boeing 737-800
→
07/18/2026
1h 29m
No alerts
Replay Analysis
N24542AIRBUS Airbus A321 Neo
→
07/17/2026
2h 35m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
07/17/2026
1h 35m
No alerts
Replay Analysis
N24573
→
07/16/2026
2h 36m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
07/16/2026
1h 9m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
07/16/2026
8m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
07/15/2026
2h 36m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
07/15/2026
1h 44m
No alerts
Replay Analysis
N14545AIRBUS Airbus A321 Neo
→
07/14/2026
2h 29m
No alerts
Replay Analysis
N62896BOEING Boeing 737-900
→
07/14/2026
1h 26m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
07/13/2026
2h 5m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
07/13/2026
1h 46m
No alerts
Replay Analysis
N14569AIRBUS Airbus A321 Neo
→
07/12/2026
2h 45m
No alerts
Replay Analysis
N86534BOEING Boeing 737-800
→
07/12/2026
1h 37m
No alerts
Replay Analysis
N54552AIRBUS Airbus A321 Neo
→
07/11/2026
2h 55m
No alerts
Replay Analysis
N79279BOEING Boeing 737-800
→
07/11/2026
1h 39m
No alerts
Replay Analysis
N44522AIRBUS Airbus A321 Neo
→
07/10/2026
2h 18m
No alerts
Replay Analysis
N12225BOEING Boeing 737-800
→
07/10/2026
1h 34m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
07/09/2026
2h 34m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
07/09/2026
10m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
07/09/2026
1h 29m
No alerts
Replay Analysis
N44501AIRBUS Airbus A321 Neo
→
07/08/2026
2h 46m
No alerts
Replay Analysis
N14554AIRBUS Airbus A321 Neo
→
07/07/2026
2h 50m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
07/07/2026
16m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
07/07/2026
1h 28m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
07/06/2026
2h 55m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
07/06/2026
1h 34m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window