SWA3539 is operated by SOUTHWEST AIRLINES CO between Denver International Airport (KDEN) and Sacramento International Airport (KSMF). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 58m. SkyMeter has observed 100 legs of this flight number via ADS-B.

FLIGHTS
100
last 90 days
AVG DURATION
1h 58m
tracked time
📅
SERVICE PERIOD
06/05/2025 → 06/30/2026
first → last seen
🗺
ROUTES / TYPES
7 / 4
city pairs · airframes
INCIDENT RATE
1.0%
1 flagged

Routes flown

By count · last 90 days

4
52
avg 2h 30m · Denver → Sacramento
16
avg 1h 25m · San Diego → Norman Y. Mineta San Jose
3
avg 4h 7m · Phoenix Sky Harbor → Raleigh Durham
1
avg 2h 30m · Buffalo Niagara → Sarasota Bradenton

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 SWA3539

30
06/21/2026
3h 55m
No alerts
06/21/2026
13m
No alerts
06/19/2026
1h 39m
No alerts
06/15/2026
1h 44m
No alerts
06/14/2026
1h 35m
No alerts
06/05/2026
1h 39m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window