ASA20 is operated by ALASKA AIRLINES INC between San Francisco International Airport (KSFO) and John F Kennedy International Airport (KJFK). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 5h 22m. SkyMeter has observed 85 legs of this flight number via ADS-B.

✈
FLIGHTS
85
last 90 days
⏱
AVG DURATION
5h 22m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
8 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KSFO → KJFK
60
avg 5h 28m · San Francisco → John F Kennedy
KHAF → KJFK
13
avg 5h 29m · Half Moon Bay → John F Kennedy
KOAK → KJFK
2
avg 5h 22m · Metropolitan Oakland → John F Kennedy
KSFO → KPHL
1
avg 6h 37m · San Francisco → Philadelphia
KSFO → KATL
1
avg 5h 58m · San Francisco → Hartsfield Jackson Atlanta
KATL → KJFK
1
avg 3h 24m · Hartsfield Jackson Atlanta → John F Kennedy

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
30
B39M BOEING Boeing 737 MAX 9
27
B738 BOEING Boeing 737-800
25
B38M BOEING Boeing 737 MAX 8
5

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 ASA20

30
N512ASBOEING Boeing 737-800
→
08/22/2026
5h 26m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
08/18/2026
5h 5m
No alerts
Replay Analysis
N457ASBOEING Boeing 737-900
→
08/17/2026
5h 41m
No alerts
Replay Analysis
N593ASBOEING Boeing 737-800
→
08/16/2026
5h 23m
No alerts
Replay Analysis
N570ASBOEING Boeing 737-800
→
08/15/2026
5h 22m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
08/14/2026
5h 31m
No alerts
Replay Analysis
N706ALBOEING Boeing 737 MAX 9
→
08/13/2026
5h 19m
No alerts
Replay Analysis
N520ASBOEING Boeing 737-800
→
08/10/2026
5h 34m
No alerts
Replay Analysis
N523ASBOEING Boeing 737-800
→
08/09/2026
2h 0m
No alerts
Replay Analysis
N284AKBOEING Boeing 737-900
→
08/08/2026
6h 27m
No alerts
Replay Analysis
N526ASBOEING Boeing 737-800
→
08/07/2026
5h 55m
No alerts
Replay Analysis
N403ASBOEING Boeing 737-900
→
08/06/2026
5h 29m
No alerts
Replay Analysis
N273AKBOEING Boeing 737-900
→
08/05/2026
5h 59m
No alerts
Replay Analysis
N275AKBOEING Boeing 737-900
→
08/04/2026
5h 12m
No alerts
Replay Analysis
N537ASBOEING Boeing 737-800
→
08/03/2026
5h 29m
No alerts
Replay Analysis
N590ASBOEING Boeing 737-800
→
08/02/2026
5h 30m
No alerts
Replay Analysis
N724ALBOEING Boeing 737 MAX 9
→
08/01/2026
3h 56m
No alerts
Replay Analysis
N562ASBOEING Boeing 737-800
→
07/31/2026
5h 15m
No alerts
Replay Analysis
N512ASBOEING Boeing 737-800
→
07/30/2026
5h 35m
No alerts
Replay Analysis
N413ASBOEING Boeing 737-900
→
07/29/2026
5h 13m
No alerts
Replay Analysis
N966AKBOEING Boeing 737 MAX 9
→
07/28/2026
6h 41m
No alerts
Replay Analysis
N525ASBOEING Boeing 737-800
→
07/27/2026
5h 40m
No alerts
Replay Analysis
N284AKBOEING Boeing 737-900
→
07/26/2026
5h 12m
No alerts
Replay Analysis
N821AKBOEING Boeing 737 MAX 8
→
07/25/2026
5h 25m
No alerts
Replay Analysis
N804AKBOEING Boeing 737 MAX 8
→
07/24/2026
5h 8m
No alerts
Replay Analysis
N952AKBOEING Boeing 737 MAX 9
→
07/23/2026
5h 25m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
07/22/2026
5h 10m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
07/22/2026
2h 35m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
07/21/2026
48m
No alerts
Replay Analysis
N493ASBOEING Boeing 737-900
→
07/21/2026
3h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window