UAL4209

UNITED AIRLINES INC · BFI → PDX

UAL4209 is operated by UNITED AIRLINES INC between Boeing Field King County International Airport (KBFI) and Portland International Airport (KPDX). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 9m. SkyMeter has observed 5 legs of this flight number via ADS-B.

✈
FLIGHTS
5
last 90 days
⏱
AVG DURATION
2h 9m
tracked time
📅
SERVICE PERIOD
07/15/2025 → 06/27/2026
first → last seen
🗺
ROUTES / TYPES
5 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KBFI → KSEA
1
avg 55m · Boeing Field King County → Seattle Tacoma
KIAD → KRFD
1
avg 2h 26m · Washington Dulles → Chicago Rockford
KMCO → KVCV
1
avg 4h 56m · Orlando → Southern California Logistics
KBFI → KPDX
1
avg 1h 30m · Boeing Field King County → Portland

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
2
B738 BOEING Boeing 737-800
1
B737 BOEING Boeing 737-700
1
B739 BOEING Boeing 737-900
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 19 operations of UAL4209

19
N17459BOEING Boeing 737 MAX 9
→
06/27/2026
1h 30m
No alerts
Replay Analysis
N24702BOEING Boeing 737-700
→
05/02/2026
59m
No alerts
Replay Analysis
N12216BOEING Boeing 737-800
→
04/25/2026
4h 56m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
04/23/2026
54m
No alerts
Replay Analysis
N68805BOEING Boeing 737-900
→
04/07/2026
2h 25m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
02/13/2026
1h 14m
No alerts
Replay Analysis
N37277BOEING Boeing 737-800
→
02/03/2026
30m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
01/31/2026
2h 26m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
01/26/2026
45m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
12/23/2025
56m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
11/25/2025
1h 21m
No alerts
Replay Analysis
N14231BOEING Boeing 737-800
→
10/28/2025
58m
No alerts
Replay Analysis
N14231BOEING Boeing 737-800
→
10/28/2025
41m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
10/01/2025
1h 23m
No alerts
Replay Analysis
N17414BOEING Boeing 737 MAX 9
→
09/30/2025
1h 2m
No alerts
Replay Analysis
N68805BOEING Boeing 737-900
→
09/20/2025
1h 49m
No alerts
Replay Analysis
N57409
→
08/28/2025
1h 6m
No alerts
Replay Analysis
N66831BOEING Boeing 737-900
→
08/21/2025
36m
No alerts
Replay Analysis
N14540AIRBUS Airbus A321 Neo
→
07/15/2025
1h 7m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window