Flight Status & Tracker

SWA3551

SOUTHWEST AIRLINES CO · SFO → DEN · Last tracked Sep 28, 2026

SWA3551 is a flight number operated by SOUTHWEST AIRLINES CO between San Francisco International Airport (KSFO) and Denver International Airport (KDEN). SkyMeter last tracked SWA3551 on September 28, 2026. The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 2m. SkyMeter has observed 95 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
95
last 90 days
⏱
AVG DURATION
2h 2m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/28/2026
first → last seen
🗺
ROUTES / TYPES
13 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
35
avg 2h 55m · San Francisco → Denver
21
avg 1h 33m · San Diego → Sacramento
15
avg 57m · Tucson International Airport / Morris Air National Guard Base → San Diego
1
avg 4h 35m · San Francisco → Rick Husband Amarillo
1
avg 2h 50m · Half Moon Bay → Denver
1
avg 1h 24m · Rick Husband Amarillo → Denver
1
avg 2h 54m · Metropolitan Oakland → Denver
1
avg 5h 24m · Los Angeles → Orlando

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 SWA3551

30
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window