UAL1218

UNITED AIRLINES INC · SEA → DEN

UAL1218 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 BOEING Boeing 737-800. Typical block time is 2h 21m. SkyMeter has observed 18 legs of this flight number via ADS-B.

✈
FLIGHTS
18
last 90 days
⏱
AVG DURATION
2h 21m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/02/2026
first → last seen
🗺
ROUTES / TYPES
4 / 4
city pairs · airframes
⚠
INCIDENT RATE
5.6%
1 flagged

Routes flown

By count · last 90 days

3
KSEA → KDEN
11
avg 2h 27m · Seattle Tacoma → Denver
KBNA → KIAH
3
avg 1h 52m · Nashville → George Bush Intercontinental Houston
KDEN → KPSP
1
avg 1h 58m · Denver → Palm Springs

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
7
B739 BOEING Boeing 737-900
6
A320 AIRBUS Airbus A320
4
B38M BOEING Boeing 737 MAX 8
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 18 operations of UAL1218

18
N81449BOEING Boeing 737-900
→
06/02/2026
2h 26m
No alerts
Replay Analysis
N77430BOEING Boeing 737-900
→
06/01/2026
2h 24m
△ Unstable
Replay Analysis
N38479BOEING Boeing 737-900
→
05/29/2026
2h 42m
No alerts
Replay Analysis
N61887BOEING Boeing 737-900
→
05/28/2026
2h 43m
No alerts
Replay Analysis
N443UAAIRBUS Airbus A320
→
05/26/2026
1h 46m
No alerts
Replay Analysis
N63899BOEING Boeing 737-900
→
05/26/2026
2h 47m
No alerts
Replay Analysis
N1902UAIRBUS Airbus A320
→
05/24/2026
1h 47m
No alerts
Replay Analysis
N467UAAIRBUS Airbus A320
→
05/23/2026
2h 0m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
05/23/2026
2h 5m
No alerts
Replay Analysis
N67845BOEING Boeing 737-900
→
05/22/2026
2h 37m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
05/21/2026
2h 25m
No alerts
Replay Analysis
N37281BOEING Boeing 737-800
→
05/18/2026
2h 29m
No alerts
Replay Analysis
N77518BOEING Boeing 737-800
→
04/25/2026
2h 29m
No alerts
Replay Analysis
N33289BOEING Boeing 737-800
→
04/23/2026
2h 35m
No alerts
Replay Analysis
N444UAAIRBUS Airbus A320
→
04/20/2026
1h 57m
No alerts
Replay Analysis
N17245BOEING Boeing 737-800
→
04/20/2026
2h 24m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
04/18/2026
2h 11m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
04/17/2026
2h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window