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 A320. Typical block time is 2h 6m. SkyMeter has observed 75 legs of this flight number via ADS-B.

✈
FLIGHTS
75
last 90 days
⏱
AVG DURATION
2h 6m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
8 / 6
city pairs · airframes
⚠
INCIDENT RATE
4.0%
3 flagged

Routes flown

By count · last 90 days

6
KSEA → KDEN
24
avg 2h 32m · Seattle Tacoma → Denver
KDEN → KXNA
20
avg 1h 33m · Denver → Northwest Arkansas
62TS → KSEA
9
avg 4h 14m · Gateway Helistop → Seattle Tacoma
KSFO → KSEA
7
avg 2h 19m · San Francisco → Seattle Tacoma
KIAH → KSEA
1
avg 3h 52m · George Bush Intercontinental Houston → Seattle Tacoma
0CO3 → KXNA
1
avg 1h 16m · Greggs Nr 1 → Northwest Arkansas

Aircraft types

Equipment used on this number

6
A320 AIRBUS Airbus A320
30
A21N AIRBUS Airbus A321 Neo
21
B739 BOEING Boeing 737-900
12
A319 AIRBUS Airbus A319
9
B39M BOEING Boeing 737 MAX 9
5
B738 BOEING Boeing 737-800
2

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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
N14529AIRBUS Airbus A321 Neo
→
06/03/2026
2h 22m
No alerts
Replay Analysis
N71411BOEING Boeing 737-900
→
06/03/2026
4h 5m
No alerts
Replay Analysis
N894UAAIRBUS Airbus A319
→
06/03/2026
1h 35m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
06/02/2026
2h 36m
No alerts
Replay Analysis
N30401BOEING Boeing 737-900
→
06/02/2026
4h 3m
No alerts
Replay Analysis
N878UAAIRBUS Airbus A319
→
06/02/2026
1h 29m
No alerts
Replay Analysis
N14517AIRBUS Airbus A321 Neo
→
06/01/2026
2h 31m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
06/01/2026
4h 9m
No alerts
Replay Analysis
N475UAAIRBUS Airbus A320
→
06/01/2026
1h 36m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
05/31/2026
11m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
05/31/2026
2h 31m
No alerts
Replay Analysis
N79402BOEING Boeing 737-900
→
05/31/2026
4h 10m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
05/31/2026
2h 3m
No alerts
Replay Analysis
N54543AIRBUS Airbus A321 Neo
→
05/29/2026
2h 53m
No alerts
Replay Analysis
N32404BOEING Boeing 737-900
→
05/29/2026
2h 23m
No alerts
Replay Analysis
N431UAAIRBUS Airbus A320
→
05/29/2026
1h 23m
No alerts
Replay Analysis
N431UAAIRBUS Airbus A320
→
05/29/2026
12m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
05/28/2026
2h 36m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
05/28/2026
3h 51m
No alerts
Replay Analysis
N833UAAIRBUS Airbus A319
→
05/28/2026
1h 36m
No alerts
Replay Analysis
N94556AIRBUS Airbus A321 Neo
→
05/27/2026
2h 33m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
05/27/2026
10m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
05/26/2026
23m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
05/26/2026
44m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
05/26/2026
2h 40m
No alerts
Replay Analysis
N35407BOEING Boeing 737-900
→
05/26/2026
4h 14m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
05/26/2026
1h 47m
No alerts
Replay Analysis
N14565AIRBUS Airbus A321 Neo
→
05/25/2026
2h 31m
No alerts
Replay Analysis
N72405BOEING Boeing 737-900
→
05/25/2026
4h 15m
No alerts
Replay Analysis
N459UAAIRBUS Airbus A320
→
05/25/2026
1h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window