ASA618 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and St Louis Lambert International Airport (KSTL). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 36m. SkyMeter has observed 191 legs of this flight number via ADS-B.

✈
FLIGHTS
191
last 90 days
⏱
AVG DURATION
3h 36m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/12/2026
first → last seen
🗺
ROUTES / TYPES
14 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.5%
1 flagged

Routes flown

By count · last 90 days

10
KSEA → KSTL
85
avg 3h 37m · Seattle Tacoma → St Louis Lambert
KSTL → KSEA
58
avg 4h 2m · St Louis Lambert → Seattle Tacoma
WA85 → KSEA
2
avg 21m · Weyerhaeuser Heliport → Seattle Tacoma
KCPS → KSEA
1
avg 4h 16m · St Louis Downtown → Seattle Tacoma
WA28 → KSEA
1
avg 11m · Private H/C PAD Heliport → Seattle Tacoma
02WA → KSEA
1
avg 25m · Cawleys South Prairie → Seattle Tacoma
WA53 → KSEA
1
avg 16m · Harborview Medical Center Heliport → Seattle Tacoma
0WA6 → KSEA
1
avg 12m · Stevens Memorial Hospital Heliport → Seattle Tacoma
0WA8 → KSEA
1
avg 15m · Childrens Hospital Emergency Heliport → Seattle Tacoma
9WA0 → KSEA
1
avg 12m · Boeing Plant 2 Heliport → Seattle Tacoma

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
129
B39M BOEING Boeing 737 MAX 9
126
B738 BOEING Boeing 737-800
26
B38M BOEING Boeing 737 MAX 8
2

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 ASA618

30
N483ASBOEING Boeing 737-900
→
8/12/2026
16m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
8/12/2026
3h 42m
No alerts
Replay Analysis
N979AKBOEING Boeing 737 MAX 9
→
8/11/2026
3h 56m
No alerts
Replay Analysis
N979AKBOEING Boeing 737 MAX 9
→
8/11/2026
3h 22m
No alerts
Replay Analysis
N972AKBOEING Boeing 737 MAX 9
→
8/10/2026
4h 0m
No alerts
Replay Analysis
N972AKBOEING Boeing 737 MAX 9
→
8/10/2026
3h 41m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
8/9/2026
4h 8m
No alerts
Replay Analysis
N290AKBOEING Boeing 737-900
→
8/9/2026
25m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
8/9/2026
15m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
8/8/2026
3h 59m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
8/8/2026
3h 29m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
8/7/2026
3h 47m
No alerts
Replay Analysis
N963AKBOEING Boeing 737 MAX 9
→
8/7/2026
3h 40m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
8/7/2026
1h 8m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
8/6/2026
4h 14m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
8/6/2026
3h 5m
No alerts
Replay Analysis
N434ASBOEING Boeing 737-900
→
8/6/2026
3h 39m
No alerts
Replay Analysis
N917AKBOEING Boeing 737 MAX 9
→
8/5/2026
4h 8m
No alerts
Replay Analysis
N917AKBOEING Boeing 737 MAX 9
→
8/5/2026
3h 31m
No alerts
Replay Analysis
N903AKBOEING Boeing 737 MAX 9
→
8/5/2026
51m
No alerts
Replay Analysis
N903AKBOEING Boeing 737 MAX 9
→
8/4/2026
4h 54m
No alerts
Replay Analysis
N903AKBOEING Boeing 737 MAX 9
→
8/4/2026
4h 2m
No alerts
Replay Analysis
N903AKBOEING Boeing 737 MAX 9
→
8/4/2026
3h 32m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
8/4/2026
35m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
8/3/2026
3h 53m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
8/3/2026
3h 38m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
8/3/2026
21m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
8/2/2026
4h 17m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
8/2/2026
3h 55m
No alerts
Replay Analysis
N494ASBOEING Boeing 737-900
→
8/2/2026
3h 27m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window