ASA420 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Orlando International Airport (KMCO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 5h 12m. SkyMeter has observed 82 legs of this flight number via ADS-B.

✈
FLIGHTS
82
last 90 days
⏱
AVG DURATION
5h 12m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
5 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KSEA → KMCO
75
avg 5h 18m · Seattle Tacoma → Orlando
KBNA → KMCO
1
avg 1h 54m · Nashville → Orlando
KSEA → KISM
1
avg 4h 38m · Seattle Tacoma → Kissimmee Gateway
KSEA → KBNA
1
avg 4h 30m · Seattle Tacoma → Nashville

Aircraft types

Equipment used on this number

4
B39M BOEING Boeing 737 MAX 9
51
B739 BOEING Boeing 737-900
39
B38M BOEING Boeing 737 MAX 8
13
B738 BOEING Boeing 737-800
10

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 ASA420

30
N431ASBOEING Boeing 737-900
→
07/19/2026
5h 13m
No alerts
Replay Analysis
N977AKBOEING Boeing 737 MAX 9
→
07/18/2026
5h 24m
No alerts
Replay Analysis
N282AKBOEING Boeing 737-900
→
07/17/2026
5h 56m
No alerts
Replay Analysis
N559ASBOEING Boeing 737-800
→
07/16/2026
5h 30m
No alerts
Replay Analysis
N918AKBOEING Boeing 737 MAX 9
→
07/15/2026
5h 28m
No alerts
Replay Analysis
N710ALBOEING Boeing 737 MAX 9
→
07/14/2026
5h 55m
No alerts
Replay Analysis
N464ASBOEING Boeing 737-900
→
07/13/2026
5h 48m
No alerts
Replay Analysis
N947AKBOEING Boeing 737 MAX 9
→
07/12/2026
5h 27m
No alerts
Replay Analysis
N920AKBOEING Boeing 737 MAX 9
→
07/11/2026
5h 29m
No alerts
Replay Analysis
N971AKBOEING Boeing 737 MAX 9
→
07/10/2026
5h 20m
No alerts
Replay Analysis
N266AKBOEING Boeing 737-900
→
07/09/2026
5h 12m
No alerts
Replay Analysis
N707ALBOEING Boeing 737 MAX 9
→
07/08/2026
5h 24m
No alerts
Replay Analysis
N920AKBOEING Boeing 737 MAX 9
→
07/07/2026
5h 54m
No alerts
Replay Analysis
N559ASBOEING Boeing 737-800
→
07/06/2026
5h 28m
No alerts
Replay Analysis
N924AKBOEING Boeing 737 MAX 9
→
07/05/2026
5h 46m
No alerts
Replay Analysis
N733ALBOEING Boeing 737 MAX 9
→
07/04/2026
5h 32m
No alerts
Replay Analysis
N486ASBOEING Boeing 737-900
→
07/03/2026
5h 28m
No alerts
Replay Analysis
N849AKBOEING Boeing 737 MAX 8
→
07/02/2026
5h 29m
No alerts
Replay Analysis
N423ASBOEING Boeing 737-900
→
07/01/2026
5h 23m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
07/01/2026
1h 26m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
06/30/2026
26m
No alerts
Replay Analysis
N919AKBOEING Boeing 737 MAX 9
→
06/30/2026
1h 54m
No alerts
Replay Analysis
N448ASBOEING Boeing 737-900
→
06/30/2026
4h 30m
No alerts
Replay Analysis
N413ASBOEING Boeing 737-900
→
06/29/2026
5h 11m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
06/28/2026
5h 30m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
06/27/2026
5h 31m
No alerts
Replay Analysis
N984AKBOEING Boeing 737 MAX 9
→
06/26/2026
5h 20m
No alerts
Replay Analysis
N733ALBOEING Boeing 737 MAX 9
→
06/25/2026
5h 6m
No alerts
Replay Analysis
N938AKBOEING Boeing 737 MAX 9
→
06/24/2026
5h 20m
No alerts
Replay Analysis
N731ALBOEING Boeing 737 MAX 9
→
06/23/2026
5h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window