ASA535 is operated by ALASKA AIRLINES INC between Seattle Tacoma International Airport (KSEA) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 34m. SkyMeter has observed 161 legs of this flight number via ADS-B.

✈
FLIGHTS
161
last 90 days
⏱
AVG DURATION
2h 34m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/18/2026
first → last seen
🗺
ROUTES / TYPES
10 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.6%
1 flagged

Routes flown

By count · last 90 days

6
KSEA → KDEN
63
avg 2h 38m · Seattle Tacoma → Denver
KDEN → KSEA
60
avg 2h 42m · Denver → Seattle Tacoma
KSEA → PANC
16
avg 3h 14m · Seattle Tacoma → Ted Stevens Anchorage
KSEA → KSLC
2
avg 3h 8m · Seattle Tacoma → Salt Lake City
KSLC → KDEN
2
avg 1h 26m · Salt Lake City → Denver
CO12 → KSEA
1
avg 2h 43m · Brighton Van-Aire Estates → Seattle Tacoma

Aircraft types

Equipment used on this number

3
B739 BOEING Boeing 737-900
145
B39M BOEING Boeing 737 MAX 9
140
B738 BOEING Boeing 737-800
3

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
Rejected TO
1
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 ASA535

30
N409ASBOEING Boeing 737-900
→
8/18/2026
2h 43m
No alerts
Replay Analysis
N409ASBOEING Boeing 737-900
→
8/17/2026
2h 47m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/17/2026
1h 28m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/16/2026
1h 11m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/16/2026
2h 40m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/16/2026
2h 23m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
8/16/2026
2h 15m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
8/15/2026
27m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
8/15/2026
2h 42m
No alerts
Replay Analysis
N440ASBOEING Boeing 737-900
→
8/15/2026
2h 44m
No alerts
Replay Analysis
N949AKBOEING Boeing 737 MAX 9
→
8/15/2026
2h 6m
No alerts
Replay Analysis
N949AKBOEING Boeing 737 MAX 9
→
8/14/2026
58m
No alerts
Replay Analysis
N949AKBOEING Boeing 737 MAX 9
→
8/14/2026
3h 4m
No alerts
Replay Analysis
N949AKBOEING Boeing 737 MAX 9
→
8/14/2026
2h 36m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
8/14/2026
2h 21m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
8/13/2026
29m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
8/13/2026
2h 51m
No alerts
Replay Analysis
N287AKBOEING Boeing 737-900
→
8/13/2026
2h 37m
No alerts
Replay Analysis
N288AKBOEING Boeing 737-900
→
8/12/2026
1h 25m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/12/2026
2h 40m
No alerts
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/11/2026
25m
✕ Rejected takeoff
Replay Analysis
N214AKBOEING Boeing 737-900
→
8/11/2026
2h 29m
No alerts
Replay Analysis
N433ASBOEING Boeing 737-900
→
8/11/2026
2h 25m
No alerts
Replay Analysis
N433ASBOEING Boeing 737-900
→
8/11/2026
1h 31m
No alerts
Replay Analysis
N433ASBOEING Boeing 737-900
→
8/10/2026
2h 54m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
8/10/2026
1h 31m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
8/9/2026
1h 7m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
8/9/2026
2h 32m
No alerts
Replay Analysis
N263AKBOEING Boeing 737-900
→
8/9/2026
6h 37m
No alerts
Replay Analysis
N931AKBOEING Boeing 737 MAX 9
→
8/9/2026
1h 55m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window