UAL1351

UNITED AIRLINES INC · SEA → DEN

UAL1351 is operated by UNITED AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Denver International Airport (KDEN). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 8m. SkyMeter has observed 239 legs of this flight number via ADS-B.

✈
FLIGHTS
239
last 90 days
⏱
AVG DURATION
2h 8m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
11 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.4%
1 flagged

Routes flown

By count · last 90 days

7
KSEA → KDEN
75
avg 2h 33m · Seattle Tacoma → Denver
KDEN → KXNA
70
avg 1h 36m · Denver → Northwest Arkansas
KIAH → KSEA
34
avg 4h 19m · George Bush Intercontinental Houston → Seattle Tacoma
KSFO → KSEA
5
avg 2h 33m · San Francisco → Seattle Tacoma
2CO9 → KDEN
1
avg 57m · Lands End Heliport → Denver
KSEA → KGJT
1
avg 3h 3m · Seattle Tacoma → Grand Junction
KHAF → KSEA
1
avg 2h 0m · Half Moon Bay → Seattle Tacoma

Aircraft types

Equipment used on this number

7
A21N AIRBUS Airbus A321 Neo
85
A320 AIRBUS Airbus A320
74
A319 AIRBUS Airbus A319
44
B739 BOEING Boeing 737-900
34
B39M BOEING Boeing 737 MAX 9
6
B38M BOEING Boeing 737 MAX 8
3
B738 BOEING Boeing 737-800
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 UAL1351

30
N835UAAIRBUS Airbus A319
→
07/19/2026
11m
No alerts
Replay Analysis
N24573
→
07/19/2026
2h 54m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
07/19/2026
1h 32m
No alerts
Replay Analysis
N817UAAIRBUS Airbus A319
→
07/18/2026
11m
No alerts
Replay Analysis
N14565AIRBUS Airbus A321 Neo
→
07/18/2026
2h 25m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
07/17/2026
20m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
07/17/2026
2h 48m
No alerts
Replay Analysis
N832UAAIRBUS Airbus A319
→
07/17/2026
1h 53m
No alerts
Replay Analysis
N14530AIRBUS Airbus A321 Neo
→
07/16/2026
2h 57m
No alerts
Replay Analysis
N855UAAIRBUS Airbus A319
→
07/16/2026
1h 22m
No alerts
Replay Analysis
N855UAAIRBUS Airbus A319
→
07/15/2026
12m
No alerts
Replay Analysis
N24510AIRBUS Airbus A321 Neo
→
07/15/2026
2h 33m
No alerts
Replay Analysis
N855UAAIRBUS Airbus A319
→
07/15/2026
1h 36m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
07/14/2026
2h 50m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
07/14/2026
1h 29m
No alerts
Replay Analysis
N14565AIRBUS Airbus A321 Neo
→
07/13/2026
2h 37m
No alerts
Replay Analysis
N487UAAIRBUS Airbus A320
→
07/13/2026
1h 31m
No alerts
Replay Analysis
N14544AIRBUS Airbus A321 Neo
→
07/12/2026
2h 27m
No alerts
Replay Analysis
N466UAAIRBUS Airbus A320
→
07/12/2026
1h 25m
No alerts
Replay Analysis
N14569AIRBUS Airbus A321 Neo
→
07/11/2026
2h 39m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
07/11/2026
1h 20m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
07/11/2026
30m
No alerts
Replay Analysis
N897UAAIRBUS Airbus A319
→
07/11/2026
25m
No alerts
Replay Analysis
N14564AIRBUS Airbus A321 Neo
→
07/10/2026
2h 46m
No alerts
Replay Analysis
N14560AIRBUS Airbus A321 Neo
→
07/09/2026
2h 52m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
07/09/2026
1h 23m
No alerts
Replay Analysis
N871UAAIRBUS Airbus A319
→
07/09/2026
17m
No alerts
Replay Analysis
N14560AIRBUS Airbus A321 Neo
→
07/08/2026
3h 17m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
07/08/2026
1h 31m
No alerts
Replay Analysis
N14549AIRBUS Airbus A321 Neo
→
07/07/2026
3h 30m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window