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 8m. SkyMeter has observed 28 legs of this flight number via ADS-B.

✈
FLIGHTS
28
last 90 days
⏱
AVG DURATION
1h 8m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KLAS → KLAX
14
avg 1h 11m · McCarran → Los Angeles
KSDF → KBWI
3
avg 1h 15m · Louisville Muhammad Ali → Baltimore/Washington International Thurgood Marshall
KTPA → KSDF
3
avg 1h 50m · Tampa → Louisville Muhammad Ali
KDEN → KHDN
1
avg 24m · Denver → Yampa Valley
CO12 → KDEN
1
avg 13m · Brighton Van-Aire Estates → Denver

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
21
B738 BOEING Boeing 737-800
5
B38M BOEING Boeing 737 MAX 8
2

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 28 operations of SWA121

28
N8688JBOEING Boeing 737-800
→
06/03/2026
53m
No alerts
Replay Analysis
N8688JBOEING Boeing 737-800
→
06/03/2026
46m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
06/02/2026
1h 17m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
06/02/2026
25m
No alerts
Replay Analysis
N446WNBOEING Boeing 737-700
→
05/29/2026
1h 8m
No alerts
Replay Analysis
N8580ZBOEING Boeing 737-800
→
05/28/2026
1h 1m
No alerts
Replay Analysis
N8580ZBOEING Boeing 737-800
→
05/28/2026
44m
No alerts
Replay Analysis
N435WNBOEING Boeing 737-700
→
05/26/2026
58m
No alerts
Replay Analysis
N435WNBOEING Boeing 737-700
→
05/26/2026
18m
No alerts
Replay Analysis
N906WNBOEING Boeing 737-700
→
05/25/2026
24m
No alerts
Replay Analysis
N906WNBOEING Boeing 737-700
→
05/25/2026
13m
No alerts
Replay Analysis
N906WNBOEING Boeing 737-700
→
05/24/2026
2h 40m
No alerts
Replay Analysis
N555LVBOEING Boeing 737-700
→
05/23/2026
1h 17m
No alerts
Replay Analysis
N555LVBOEING Boeing 737-700
→
05/23/2026
1h 54m
No alerts
Replay Analysis
N7873ABOEING Boeing 737-700
→
05/23/2026
1h 14m
No alerts
Replay Analysis
N7873ABOEING Boeing 737-700
→
05/23/2026
27m
No alerts
Replay Analysis
N964WNBOEING Boeing 737-700
→
05/22/2026
1h 5m
No alerts
Replay Analysis
N8976KBOEING Boeing 737 MAX 8
→
05/21/2026
50m
No alerts
Replay Analysis
N8711QBOEING Boeing 737 MAX 8
→
05/20/2026
55m
No alerts
Replay Analysis
N219WNBOEING Boeing 737-700
→
04/25/2026
1h 15m
No alerts
Replay Analysis
N219WNBOEING Boeing 737-700
→
04/25/2026
1h 50m
No alerts
Replay Analysis
N957WNBOEING Boeing 737-700
→
04/25/2026
1h 32m
No alerts
Replay Analysis
N8518RBOEING Boeing 737-800
→
04/23/2026
1h 30m
No alerts
Replay Analysis
N948WNBOEING Boeing 737-700
→
04/21/2026
1h 41m
No alerts
Replay Analysis
N241WNBOEING Boeing 737-700
→
04/18/2026
1h 13m
No alerts
Replay Analysis
N241WNBOEING Boeing 737-700
→
04/18/2026
1h 47m
No alerts
Replay Analysis
N222WNBOEING Boeing 737-700
→
04/18/2026
1h 13m
No alerts
Replay Analysis
N279WNBOEING Boeing 737-700
→
04/17/2026
1h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window