ASA311 is operated by ALASKA AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Portland International Airport (KPDX). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 4h 27m. SkyMeter has observed 36 legs of this flight number via ADS-B.

✈
FLIGHTS
36
last 90 days
⏱
AVG DURATION
4h 27m
tracked time
📅
SERVICE PERIOD
04/16/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
5 / 3
city pairs · airframes
⚠
INCIDENT RATE
5.6%
2 flagged

Routes flown

By count · last 90 days

3
KBOS → KPDX
21
avg 5h 47m · General Edward Lawrence Logan → Portland
5Z1 → KSEA
12
avg 2h 9m · Juneau Harbor Seaplane Base → Seattle Tacoma
KBOS → 1W1
1
avg 5h 54m · General Edward Lawrence Logan → Grove Field

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
19
B39M BOEING Boeing 737 MAX 9
12
B738 BOEING Boeing 737-800
5

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 ASA311

30
N434ASBOEING Boeing 737-900
→
06/03/2026
5h 33m
No alerts
Replay Analysis
N292AKBOEING Boeing 737-900
→
06/02/2026
5h 9m
No alerts
Replay Analysis
N491ASBOEING Boeing 737-900
→
06/01/2026
5h 14m
No alerts
Replay Analysis
N964AKBOEING Boeing 737 MAX 9
→
05/31/2026
5h 14m
No alerts
Replay Analysis
N966AKBOEING Boeing 737 MAX 9
→
05/29/2026
5h 28m
△ Unstable
Replay Analysis
N280AKBOEING Boeing 737-900
→
05/28/2026
5h 25m
No alerts
Replay Analysis
N968AKBOEING Boeing 737 MAX 9
→
05/27/2026
5h 39m
No alerts
Replay Analysis
N553ASBOEING Boeing 737-800
→
05/26/2026
5h 47m
△ Unstable
Replay Analysis
N468ASBOEING Boeing 737-900
→
05/25/2026
5h 49m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
05/24/2026
5h 53m
No alerts
Replay Analysis
N705ALBOEING Boeing 737 MAX 9
→
05/23/2026
5h 47m
No alerts
Replay Analysis
N277AKBOEING Boeing 737-900
→
05/21/2026
5h 53m
No alerts
Replay Analysis
N247AKBOEING Boeing 737-900
→
05/20/2026
6h 4m
No alerts
Replay Analysis
N291BTBOEING Boeing 737 MAX 9
→
05/18/2026
5h 39m
No alerts
Replay Analysis
N408ASBOEING Boeing 737-900
→
05/17/2026
5h 53m
No alerts
Replay Analysis
N985AKBOEING Boeing 737 MAX 9
→
05/16/2026
6h 29m
No alerts
Replay Analysis
N492ASBOEING Boeing 737-900
→
05/15/2026
5h 56m
No alerts
Replay Analysis
N491ASBOEING Boeing 737-900
→
05/14/2026
5h 46m
No alerts
Replay Analysis
N975AKBOEING Boeing 737 MAX 9
→
05/11/2026
2h 11m
No alerts
Replay Analysis
N520ASBOEING Boeing 737-800
→
05/10/2026
2h 10m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
05/04/2026
1h 15m
No alerts
Replay Analysis
N564ASBOEING Boeing 737-800
→
05/03/2026
2h 0m
No alerts
Replay Analysis
N508ASBOEING Boeing 737-800
→
05/02/2026
2h 3m
No alerts
Replay Analysis
N716ALBOEING Boeing 737 MAX 9
→
05/01/2026
2h 5m
No alerts
Replay Analysis
N985AKBOEING Boeing 737 MAX 9
→
04/30/2026
2h 21m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
04/28/2026
2h 16m
No alerts
Replay Analysis
N734ALBOEING Boeing 737 MAX 9
→
04/27/2026
2h 1m
No alerts
Replay Analysis
N483ASBOEING Boeing 737-900
→
04/26/2026
2h 17m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
04/25/2026
2h 3m
No alerts
Replay Analysis
N278AKBOEING Boeing 737-900
→
04/24/2026
2h 3m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window