SWA4377 is operated by SOUTHWEST AIRLINES CO between Sacramento International Airport (KSMF) and John Wayne Airport-Orange County Airport (KSNA). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 2h 3m. SkyMeter has observed 52 legs of this flight number via ADS-B.

✈
FLIGHTS
52
last 90 days
⏱
AVG DURATION
2h 3m
tracked time
📅
SERVICE PERIOD
08/05/2025 → 06/30/2026
first → last seen
🗺
ROUTES / TYPES
10 / 3
city pairs · airframes
⚠
INCIDENT RATE
21.2%
11 flagged

Routes flown

By count · last 90 days

6
KSMF → KSNA
23
avg 1h 20m · Sacramento → John Wayne Airport-Orange County
KDCA → KDAL
18
avg 2h 53m · Ronald Reagan Washington National → Dallas Love Field
KLAS → KSAN
3
avg 1h 11m · McCarran → San Diego
KSAN → KSFO
1
avg 1h 59m · San Diego → San Francisco
KMCO → KDCA
1
avg 1h 41m · Orlando → Ronald Reagan Washington National
KSAN → KPAO
1
avg 1h 17m · San Diego → Palo Alto Airport of Santa Clara County

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
30
B38M BOEING Boeing 737 MAX 8
15
B738 BOEING Boeing 737-800
7

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
11
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 SWA4377

30
N8608NBOEING Boeing 737-800
→
06/30/2026
2h 40m
No alerts
Replay Analysis
N8890QBOEING Boeing 737 MAX 8
→
06/29/2026
2h 53m
No alerts
Replay Analysis
N8810LBOEING Boeing 737 MAX 8
→
06/25/2026
2h 59m
No alerts
Replay Analysis
N8929SBOEING Boeing 737 MAX 8
→
06/24/2026
2h 52m
No alerts
Replay Analysis
N8571ZBOEING Boeing 737-800
→
06/23/2026
3h 1m
No alerts
Replay Analysis
N8901QBOEING Boeing 737 MAX 8
→
06/22/2026
2h 48m
△ Unstable
Replay Analysis
N8976KBOEING Boeing 737 MAX 8
→
06/20/2026
2h 47m
No alerts
Replay Analysis
N8812QBOEING Boeing 737 MAX 8
→
06/19/2026
3h 5m
No alerts
Replay Analysis
N8956QBOEING Boeing 737 MAX 8
→
06/18/2026
2h 42m
No alerts
Replay Analysis
N8301JBOEING Boeing 737-800
→
06/17/2026
2h 53m
No alerts
Replay Analysis
N8660ABOEING Boeing 737-800
→
06/16/2026
3h 2m
No alerts
Replay Analysis
N8861QBOEING Boeing 737 MAX 8
→
06/15/2026
3h 17m
No alerts
Replay Analysis
N8672FBOEING Boeing 737-800
→
06/12/2026
2h 45m
No alerts
Replay Analysis
N8702LBOEING Boeing 737 MAX 8
→
06/11/2026
11h 57m
No alerts
Replay Analysis
N8784QBOEING Boeing 737 MAX 8
→
06/10/2026
2h 42m
No alerts
Replay Analysis
N8939QBOEING Boeing 737 MAX 8
→
06/09/2026
2h 54m
No alerts
Replay Analysis
N8933QBOEING Boeing 737 MAX 8
→
06/08/2026
3h 2m
No alerts
Replay Analysis
N8648ABOEING Boeing 737-800
→
06/06/2026
2h 38m
△ Unstable
Replay Analysis
N8514FBOEING Boeing 737-800
→
06/05/2026
2h 53m
No alerts
Replay Analysis
N277WNBOEING Boeing 737-700
→
06/01/2026
1h 16m
No alerts
Replay Analysis
N7715EBOEING Boeing 737-700
→
05/29/2026
1h 15m
No alerts
Replay Analysis
N7844ABOEING Boeing 737-700
→
05/28/2026
1h 17m
No alerts
Replay Analysis
N296WNBOEING Boeing 737-700
→
05/25/2026
1h 12m
No alerts
Replay Analysis
N7889ABOEING Boeing 737-700
→
05/25/2026
1h 41m
No alerts
Replay Analysis
N476WNBOEING Boeing 737-700
→
05/22/2026
1h 17m
No alerts
Replay Analysis
N472WNBOEING Boeing 737-700
→
05/21/2026
1h 20m
No alerts
Replay Analysis
N7740ABOEING Boeing 737-700
→
05/18/2026
1h 18m
No alerts
Replay Analysis
N254WNBOEING Boeing 737-700
→
05/15/2026
1h 20m
No alerts
Replay Analysis
N483WNBOEING Boeing 737-700
→
05/14/2026
1h 13m
No alerts
Replay Analysis
N555LVBOEING Boeing 737-700
→
05/11/2026
1h 23m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window