SWA8509 is operated by SOUTHWEST AIRLINES CO between Snohomish County (Paine Field) Airport (KPAE) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 21m. SkyMeter has observed 27 legs of this flight number via ADS-B.

✈
FLIGHTS
27
last 90 days
⏱
AVG DURATION
1h 21m
tracked time
📅
SERVICE PERIOD
04/15/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
24 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KPAE → KDEN
2
avg 2h 14m · Snohomish County (Paine Field) → Denver
KGSO → KBWI
2
avg 57m · Piedmont Triad → Baltimore/Washington International Thurgood Marshall
KHOU → KAUS
1
avg 36m · William P Hobby → Austin Bergstrom
KDEN → KBZN
1
avg 1h 47m · Denver → Gallatin Field
KVQQ → KBNA
1
avg 1h 17m · Cecil → Nashville
KSAN → KPHX
1
avg 1h 59m · San Diego → Phoenix Sky Harbor
KSAT → KMDW
1
avg 2h 28m · San Antonio → Chicago Midway
KVQQ → KATL
1
avg 1h 7m · Cecil → Hartsfield Jackson Atlanta
KMCO → KBNA
1
avg 1h 38m · Orlando → Nashville
KDEN → KPAE
1
avg 2h 23m · Denver → Snohomish County (Paine Field)

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
14
B738 BOEING Boeing 737-800
7
B38M BOEING Boeing 737 MAX 8
4

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 28 operations of SWA8509

28
N939WNBOEING Boeing 737-700
→
06/03/2026
1h 7m
No alerts
Replay Analysis
N9004H
→
06/01/2026
27m
No alerts
Replay Analysis
N967WNBOEING Boeing 737-700
→
05/29/2026
2h 4m
No alerts
Replay Analysis
N8552ZBOEING Boeing 737-800
→
05/26/2026
2h 22m
No alerts
Replay Analysis
N8721JBOEING Boeing 737 MAX 8
→
05/23/2026
35m
No alerts
Replay Analysis
N9007K
→
05/23/2026
52m
No alerts
Replay Analysis
N9007K
→
05/22/2026
46m
No alerts
Replay Analysis
N213WNBOEING Boeing 737-700
→
05/21/2026
1h 47m
No alerts
Replay Analysis
N8661ABOEING Boeing 737-800
→
05/20/2026
43m
No alerts
Replay Analysis
N556WNBOEING Boeing 737-700
→
05/15/2026
1h 46m
No alerts
Replay Analysis
N8728QBOEING Boeing 737 MAX 8
→
05/15/2026
57m
No alerts
Replay Analysis
N8639BBOEING Boeing 737-800
→
05/13/2026
2h 15m
No alerts
Replay Analysis
N295WNBOEING Boeing 737-700
→
05/11/2026
1h 59m
No alerts
Replay Analysis
N8545VBOEING Boeing 737-800
→
05/11/2026
55m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
05/07/2026
58m
No alerts
Replay Analysis
N7746CBOEING Boeing 737-700
→
05/03/2026
1h 16m
No alerts
Replay Analysis
N8328ABOEING Boeing 737-800
→
05/02/2026
21m
No alerts
Replay Analysis
N7825ABOEING Boeing 737-700
→
04/30/2026
33m
No alerts
Replay Analysis
N7886ABOEING Boeing 737-700
→
04/28/2026
2h 27m
No alerts
Replay Analysis
N8865LBOEING Boeing 737 MAX 8
→
04/28/2026
2h 6m
No alerts
Replay Analysis
N7825ABOEING Boeing 737-700
→
04/26/2026
24m
No alerts
Replay Analysis
N460WNBOEING Boeing 737-700
→
04/25/2026
1h 17m
No alerts
Replay Analysis
N8676ABOEING Boeing 737-800
→
04/23/2026
1h 38m
No alerts
Replay Analysis
N8762QBOEING Boeing 737 MAX 8
→
04/21/2026
2h 12m
No alerts
Replay Analysis
N7749BBOEING Boeing 737-700
→
04/20/2026
44m
No alerts
Replay Analysis
N254WNBOEING Boeing 737-700
→
04/17/2026
3h 35m
No alerts
Replay Analysis
N7885ABOEING Boeing 737-700
→
04/17/2026
25m
No alerts
Replay Analysis
N8519RBOEING Boeing 737-800
→
04/15/2026
39m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window