ASA443 is operated by ALASKA AIRLINES INC between Philadelphia International Airport (KPHL) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 4h 55m. SkyMeter has observed 82 legs of this flight number via ADS-B.

✈
FLIGHTS
82
last 90 days
⏱
AVG DURATION
4h 55m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
4 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KPHL → KSEA
52
avg 5h 36m · Philadelphia → Seattle Tacoma
KDFW → KSEA
26
avg 4h 2m · Dallas Fort Worth → Seattle Tacoma

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
94
B739 BOEING Boeing 737-900
82
B738 BOEING Boeing 737-800
5
B38M BOEING Boeing 737 MAX 8
1
B737 BOEING Boeing 737-700
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 30 operations of ASA443

30
N520ASBOEING Boeing 737-800
→
07/19/2026
2h 18m
No alerts
Replay Analysis
N725ALBOEING Boeing 737 MAX 9
→
07/18/2026
1h 24m
No alerts
Replay Analysis
N725ALBOEING Boeing 737 MAX 9
→
07/17/2026
3h 7m
No alerts
Replay Analysis
N725ALBOEING Boeing 737 MAX 9
→
07/17/2026
5h 17m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
07/17/2026
3h 4m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
07/16/2026
2h 20m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
07/16/2026
5h 25m
No alerts
Replay Analysis
N962AKBOEING Boeing 737 MAX 9
→
07/16/2026
2h 52m
No alerts
Replay Analysis
N962AKBOEING Boeing 737 MAX 9
→
07/15/2026
2h 28m
No alerts
Replay Analysis
N962AKBOEING Boeing 737 MAX 9
→
07/15/2026
5h 21m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
07/15/2026
2h 15m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
07/14/2026
2h 52m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
07/14/2026
5h 8m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/14/2026
2h 0m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/13/2026
2h 54m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/13/2026
5h 26m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/13/2026
2h 20m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/12/2026
5h 36m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/12/2026
3h 15m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
07/12/2026
2h 40m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
07/11/2026
5h 25m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
07/11/2026
2h 45m
No alerts
Replay Analysis
N471ASBOEING Boeing 737-900
→
07/11/2026
3h 23m
No alerts
Replay Analysis
N471ASBOEING Boeing 737-900
→
07/10/2026
2h 23m
No alerts
Replay Analysis
N471ASBOEING Boeing 737-900
→
07/10/2026
5h 47m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
07/10/2026
4h 25m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
07/09/2026
1h 14m
No alerts
Replay Analysis
N967AKBOEING Boeing 737 MAX 9
→
07/09/2026
5h 39m
No alerts
Replay Analysis
N971AKBOEING Boeing 737 MAX 9
→
07/08/2026
2h 22m
No alerts
Replay Analysis
N971AKBOEING Boeing 737 MAX 9
→
07/07/2026
3h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window