UAL4208

UNITED AIRLINES INC · BFI → SEA

UAL4208 is operated by UNITED AIRLINES INC between Boeing Field King County International Airport (KBFI) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 30m. SkyMeter has observed 5 legs of this flight number via ADS-B.

✈
FLIGHTS
5
last 90 days
⏱
AVG DURATION
1h 30m
tracked time
📅
SERVICE PERIOD
08/25/2025 → 07/08/2026
first → last seen
🗺
ROUTES / TYPES
3 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KBFI → KSEA
3
avg 1h 23m · Boeing Field King County → Seattle Tacoma
KOKC → KORD
1
avg 2h 33m · Will Rogers World → Chicago O'Hare
KAUS → KIAH
1
avg 47m · Austin Bergstrom → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

3
B738 BOEING Boeing 737-800
3
B39M BOEING Boeing 737 MAX 9
3
A319 AIRBUS Airbus A319
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 27 operations of UAL4208

27
N37273BOEING Boeing 737-800
→
07/09/2026
1h 14m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
07/08/2026
2h 33m
No alerts
Replay Analysis
N37273BOEING Boeing 737-800
→
07/08/2026
1h 18m
No alerts
Replay Analysis
N17460BOEING Boeing 737 MAX 9
→
06/26/2026
1h 32m
No alerts
Replay Analysis
N17455BOEING Boeing 737 MAX 9
→
06/11/2026
1h 16m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/22/2026
46m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
05/02/2026
1h 23m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
04/08/2026
1h 8m
No alerts
Replay Analysis
N51104BOEING Boeing 787-9 Dreamliner
→
03/31/2026
1h 11m
No alerts
Replay Analysis
N17443BOEING Boeing 737 MAX 9
→
03/28/2026
1h 57m
No alerts
Replay Analysis
N27439BOEING Boeing 737 MAX 9
→
03/14/2026
53m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
02/14/2026
8m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
02/14/2026
2h 33m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
02/05/2026
5h 51m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
02/05/2026
21m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
02/04/2026
7h 29m
No alerts
Replay Analysis
N675UABOEING Boeing 767-300
→
02/04/2026
7h 51m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
01/31/2026
48m
No alerts
Replay Analysis
N27419BOEING Boeing 737 MAX 9
→
12/23/2025
2h 26m
No alerts
Replay Analysis
N27997BOEING Boeing 787-9 Dreamliner
→
12/09/2025
1h 18m
No alerts
Replay Analysis
N220UABOEING Boeing 777-200
→
11/23/2025
1h 34m
No alerts
Replay Analysis
N220UABOEING Boeing 777-200
→
11/22/2025
1h 2m
No alerts
Replay Analysis
N220UABOEING Boeing 777-200
→
11/22/2025
2h 37m
No alerts
Replay Analysis
N75851BOEING Boeing 757-300
→
11/18/2025
1h 28m
No alerts
Replay Analysis
N37409BOEING Boeing 737-900
→
10/23/2025
1h 5m
No alerts
Replay Analysis
N17133BOEING Boeing 757-200
→
09/10/2025
8h 7m
No alerts
Replay Analysis
N69816BOEING Boeing 737-900
→
08/25/2025
1h 11m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window