Flight Status & Tracker

SWA3543

SOUTHWEST AIRLINES CO · SEA → SMF · Last tracked Oct 17, 2026

SWA3543 is a flight number operated by SOUTHWEST AIRLINES CO between Seattle Tacoma International Airport (KSEA) and Sacramento International Airport (KSMF). SkyMeter last tracked SWA3543 on October 17, 2026. The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 0m. SkyMeter has observed 67 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
67
last 90 days
⏱
AVG DURATION
2h 0m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/17/2026
first → last seen
🗺
ROUTES / TYPES
14 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.5%
1 flagged

Routes flown

By count · last 90 days

8
33
avg 1h 45m · Seattle Tacoma → Sacramento
6
avg 3h 7m · William P Hobby → La Guardia
4
avg 2h 37m · Chicago Midway → Albuquerque International Sunport
3
avg 1h 20m · General Edward Lawrence Logan → Baltimore/Washington International Thurgood Marshall
2
avg 1h 48m · Norman Y. Mineta San Jose → McCarran
2
avg 4h 4m · St Louis Lambert → Portland
1
avg 1h 41m · Baltimore/Washington International Thurgood Marshall → Jacksonville
1
avg 1h 25m · Park 90 Heliport → Sacramento

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 SWA3543

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