SWA121 is operated by SOUTHWEST AIRLINES CO between McCarran International Airport (KLAS) and Los Angeles International Airport (KLAX). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 45m. SkyMeter has observed 135 legs of this flight number via ADS-B.

FLIGHTS
135
last 90 days
AVG DURATION
1h 45m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
21 / 3
city pairs · airframes
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
28
avg 1h 10m · McCarran → Los Angeles
27
avg 1h 54m · Indianapolis → Orlando
12
avg 4h 7m · McCarran → Austin Bergstrom
11
avg 2h 15m · Austin Bergstrom → Indianapolis
6
avg 1h 11m · Louisville Muhammad Ali → Baltimore/Washington International Thurgood Marshall
6
avg 2h 48m · Kansas City → Fort Lauderdale Hollywood
6
avg 1h 48m · Tampa → Louisville Muhammad Ali
6
avg 45m · William P Hobby → Dallas Love Field
4
avg 2h 23m · Dallas Love Field → Miami
1
avg 5h 5m · Austin Bergstrom → 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 SWA121

30
07/15/2026
1h 28m
No alerts
07/15/2026
1h 42m
No alerts
07/14/2026
1h 36m
No alerts
07/14/2026
1h 16m
No alerts
07/14/2026
1h 31m
No alerts
07/08/2026
1h 36m
No alerts
07/08/2026
1h 18m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window