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 30m. SkyMeter has observed 55 legs of this flight number via ADS-B.

✈
FLIGHTS
55
last 90 days
⏱
AVG DURATION
3h 30m
tracked time
📅
SERVICE PERIOD
04/06/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KIAH → KSEA
27
avg 4h 21m · George Bush Intercontinental Houston → Seattle Tacoma
62TS → KSEA
3
avg 4h 16m · Gateway Helistop → Seattle Tacoma
S60 → KSEA
1
avg 11m · Kenmore Air Harbor Inc Seaplane Base → Seattle Tacoma
42TS → KSEA
1
avg 4h 13m · Papa Heliport → Seattle Tacoma
7WA8 → KSEA
1
avg 31m · Good Samaritan Hospital Heliport → Seattle Tacoma

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
61
B39M BOEING Boeing 737 MAX 9
46
B38M BOEING Boeing 737 MAX 8
3
B738 BOEING Boeing 737-800
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
N725ALBOEING Boeing 737 MAX 9
→
06/03/2026
4h 4m
No alerts
Replay Analysis
N918AKBOEING Boeing 737 MAX 9
→
06/03/2026
14m
No alerts
Replay Analysis
N918AKBOEING Boeing 737 MAX 9
→
06/02/2026
4h 13m
No alerts
Replay Analysis
N918AKBOEING Boeing 737 MAX 9
→
06/02/2026
3h 58m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
06/02/2026
20m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
06/01/2026
3h 49m
No alerts
Replay Analysis
N402ASBOEING Boeing 737-900
→
06/01/2026
4h 10m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
06/01/2026
37m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
05/31/2026
3h 27m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
05/31/2026
4h 4m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
05/29/2026
3h 49m
No alerts
Replay Analysis
N478ASBOEING Boeing 737-900
→
05/28/2026
3h 37m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
05/26/2026
3h 51m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
05/26/2026
28m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
05/25/2026
4h 8m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
05/25/2026
3h 40m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
05/24/2026
4h 1m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
05/24/2026
24m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
05/23/2026
3h 55m
No alerts
Replay Analysis
N477ASBOEING Boeing 737-900
→
05/23/2026
4h 20m
No alerts
Replay Analysis
N238AKBOEING Boeing 737-900
→
05/22/2026
46m
No alerts
Replay Analysis
N435ASBOEING Boeing 737-900
→
05/21/2026
3h 59m
No alerts
Replay Analysis
N732ALBOEING Boeing 737 MAX 9
→
05/21/2026
27m
No alerts
Replay Analysis
N732ALBOEING Boeing 737 MAX 9
→
05/20/2026
3h 56m
No alerts
Replay Analysis
N732ALBOEING Boeing 737 MAX 9
→
05/20/2026
4h 24m
No alerts
Replay Analysis
N955AKBOEING Boeing 737 MAX 9
→
05/20/2026
1h 24m
No alerts
Replay Analysis
N408ASBOEING Boeing 737-900
→
05/18/2026
4h 0m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
05/18/2026
31m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
05/17/2026
4h 6m
No alerts
Replay Analysis
N281AKBOEING Boeing 737-900
→
05/17/2026
13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window