ASA343 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Detroit Metropolitan Wayne County Airport (KDTW). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 3h 58m. SkyMeter has observed 80 legs of this flight number via ADS-B.

✈
FLIGHTS
80
last 90 days
⏱
AVG DURATION
3h 58m
tracked time
📅
SERVICE PERIOD
05/30/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
10 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KSEA → KDTW
36
avg 3h 54m · Seattle Tacoma → Detroit Metropolitan Wayne County
KTPA → KSEA
24
avg 5h 45m · Tampa → Seattle Tacoma
KBOI → KPDX
10
avg 1h 4m · Boise Air Terminal/Gowen Field → Portland
9OR9 → KPDX
1
avg 5m · Wallace Heliport → Portland
KSEA → KYIP
1
avg 3h 47m · Seattle Tacoma → Willow Run
FA40 → KSEA
1
avg 5h 33m · Hidden Lake → Seattle Tacoma

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
64
B39M BOEING Boeing 737 MAX 9
44
B738 BOEING Boeing 737-800
11
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 ASA343

30
N408ASBOEING Boeing 737-900
→
07/19/2026
3h 47m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
07/18/2026
3h 53m
No alerts
Replay Analysis
N975AKBOEING Boeing 737 MAX 9
→
07/17/2026
3h 58m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
07/16/2026
3h 47m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
07/15/2026
3h 51m
No alerts
Replay Analysis
N978AKBOEING Boeing 737 MAX 9
→
07/14/2026
3h 59m
No alerts
Replay Analysis
N267AKBOEING Boeing 737-900
→
07/13/2026
4h 10m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
07/12/2026
3h 55m
No alerts
Replay Analysis
N708ALBOEING Boeing 737 MAX 9
→
07/11/2026
3h 44m
No alerts
Replay Analysis
N935AKBOEING Boeing 737 MAX 9
→
07/10/2026
4h 0m
No alerts
Replay Analysis
N215AKBOEING Boeing 737-900
→
07/09/2026
3h 57m
No alerts
Replay Analysis
N251AKBOEING Boeing 737-900
→
07/08/2026
4h 1m
No alerts
Replay Analysis
N474ASBOEING Boeing 737-900
→
07/07/2026
4h 7m
No alerts
Replay Analysis
N298AKBOEING Boeing 737-900
→
07/06/2026
3h 47m
No alerts
Replay Analysis
N725ALBOEING Boeing 737 MAX 9
→
07/04/2026
4h 0m
No alerts
Replay Analysis
N428ASBOEING Boeing 737-900
→
07/03/2026
4h 10m
No alerts
Replay Analysis
N294AKBOEING Boeing 737-900
→
07/02/2026
4h 5m
No alerts
Replay Analysis
N926AKBOEING Boeing 737 MAX 9
→
07/01/2026
3h 52m
No alerts
Replay Analysis
N969AKBOEING Boeing 737 MAX 9
→
06/30/2026
4h 7m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
06/29/2026
4h 3m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
06/28/2026
4h 5m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
06/27/2026
3h 53m
No alerts
Replay Analysis
N969AKBOEING Boeing 737 MAX 9
→
06/26/2026
3h 47m
No alerts
Replay Analysis
N469ASBOEING Boeing 737-900
→
06/25/2026
3h 48m
No alerts
Replay Analysis
N954AKBOEING Boeing 737 MAX 9
→
06/24/2026
3h 41m
No alerts
Replay Analysis
N293AKBOEING Boeing 737-900
→
06/23/2026
3h 38m
No alerts
Replay Analysis
N461ASBOEING Boeing 737-900
→
06/22/2026
4h 2m
No alerts
Replay Analysis
N413ASBOEING Boeing 737-900
→
06/21/2026
3h 42m
No alerts
Replay Analysis
N933AKBOEING Boeing 737 MAX 9
→
06/20/2026
3h 56m
No alerts
Replay Analysis
N467ASBOEING Boeing 737-900
→
06/19/2026
3h 44m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window