ASA439 is operated by ALASKA AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and Seattle Tacoma International Airport (KSEA). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 19m. SkyMeter has observed 107 legs of this flight number via ADS-B.

✈
FLIGHTS
107
last 90 days
⏱
AVG DURATION
3h 19m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
14 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KIAH → KSEA
46
avg 4h 15m · George Bush Intercontinental Houston → Seattle Tacoma
WA85 → KSEA
5
avg 9m · Weyerhaeuser Heliport → Seattle Tacoma
WA11 → KSEA
3
avg 14m · Boeing Military Airplanes Heliport → Seattle Tacoma
WN22 → KSEA
2
avg 17m · Lake Union Heliport → Seattle Tacoma
0W0 → KSEA
2
avg 16m · Seattle Seaplanes Seaplane Base → Seattle Tacoma
9WA0 → KSEA
1
avg 8m · Boeing Plant 2 Heliport → Seattle Tacoma
S60 → KSEA
1
avg 14m · Kenmore Air Harbor Inc Seaplane Base → Seattle Tacoma
7WA8 → KSEA
1
avg 13m · Good Samaritan Hospital Heliport → Seattle Tacoma
WT22 → KSEA
1
avg 15m · Graves Field Heliport → Seattle Tacoma
0WA6 → KSEA
1
avg 14m · Stevens Memorial Hospital Heliport → Seattle Tacoma

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
100
B39M BOEING Boeing 737 MAX 9
70
B738 BOEING Boeing 737-800
10
B38M BOEING Boeing 737 MAX 8
3

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 ASA439

30
N592ASBOEING Boeing 737-800
→
08/22/2026
4h 6m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
08/20/2026
4h 8m
No alerts
Replay Analysis
N932AKBOEING Boeing 737 MAX 9
→
08/18/2026
3h 42m
No alerts
Replay Analysis
N984AKBOEING Boeing 737 MAX 9
→
08/18/2026
10m
No alerts
Replay Analysis
N984AKBOEING Boeing 737 MAX 9
→
08/17/2026
4h 3m
No alerts
Replay Analysis
N948AKBOEING Boeing 737 MAX 9
→
08/17/2026
18m
No alerts
Replay Analysis
N948AKBOEING Boeing 737 MAX 9
→
08/16/2026
4h 2m
No alerts
Replay Analysis
N469ASBOEING Boeing 737-900
→
08/16/2026
27m
No alerts
Replay Analysis
N469ASBOEING Boeing 737-900
→
08/15/2026
3h 41m
No alerts
Replay Analysis
N469ASBOEING Boeing 737-900
→
08/15/2026
4h 9m
No alerts
Replay Analysis
N915AKBOEING Boeing 737 MAX 9
→
08/15/2026
18m
No alerts
Replay Analysis
N915AKBOEING Boeing 737 MAX 9
→
08/14/2026
4h 0m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
08/14/2026
15m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
08/13/2026
4h 3m
No alerts
Replay Analysis
N260AKBOEING Boeing 737-900
→
08/13/2026
4h 19m
No alerts
Replay Analysis
N479ASBOEING Boeing 737-900
→
08/12/2026
30m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
08/11/2026
3h 57m
No alerts
Replay Analysis
N265AKBOEING Boeing 737-900
→
08/10/2026
4h 10m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/10/2026
40m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/09/2026
4h 12m
No alerts
Replay Analysis
N453ASBOEING Boeing 737-900
→
08/09/2026
3h 32m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
08/09/2026
28m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
08/08/2026
4h 17m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
08/08/2026
3h 49m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
08/08/2026
26m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
08/07/2026
4h 15m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
08/07/2026
3h 48m
No alerts
Replay Analysis
N407ASBOEING Boeing 737-900
→
08/07/2026
26m
No alerts
Replay Analysis
N407ASBOEING Boeing 737-900
→
08/06/2026
4h 19m
No alerts
Replay Analysis
N407ASBOEING Boeing 737-900
→
08/06/2026
3h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window