Flight Status & Tracker

SWA4421

SOUTHWEST AIRLINES CO · OAK → ONT · Last tracked Sep 27, 2026

SWA4421 is a flight number operated by SOUTHWEST AIRLINES CO between Metropolitan Oakland International Airport (KOAK) and Ontario International Airport (KONT). SkyMeter last tracked SWA4421 on September 27, 2026. The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 53m. SkyMeter has observed 116 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
116
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/27/2026
first → last seen
🗺
ROUTES / TYPES
9 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.7%
2 flagged

Routes flown

By count · last 90 days

4
30
avg 1h 33m · Metropolitan Oakland → Ontario
27
avg 3h 7m · Austin Bergstrom → Ronald Reagan Washington National
15
avg 3h 2m · San Diego → Austin Bergstrom
14
avg 1h 12m · Ontario → Phoenix Sky Harbor

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 SWA4421

30
9/15/2026
2h 56m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window