SWA3999 is operated by SOUTHWEST AIRLINES CO between St Louis Lambert International Airport (KSTL) and Orlando International Airport (KMCO). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 2m. SkyMeter has observed 74 legs of this flight number via ADS-B.

✈
FLIGHTS
74
last 90 days
⏱
AVG DURATION
2h 2m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/03/2026
first → last seen
🗺
ROUTES / TYPES
8 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.4%
1 flagged

Routes flown

By count · last 90 days

5
KSTL → KMCO
52
avg 2h 4m · St Louis Lambert → Orlando
KTPA → KAUS
12
avg 2h 27m · Tampa → Austin Bergstrom
KSTL → KSFB
1
avg 1h 52m · St Louis Lambert → Orlando Sanford
KTPA → KBNA
1
avg 1h 31m · Tampa → Nashville
KSTL → KMEM
1
avg 4h 54m · St Louis Lambert → Memphis

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
33
B737 BOEING Boeing 737-700
22
B738 BOEING Boeing 737-800
19

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 SWA3999

30
N8915QBOEING Boeing 737 MAX 8
→
07/03/2026
2h 32m
No alerts
Replay Analysis
N8738KBOEING Boeing 737 MAX 8
→
07/02/2026
2h 16m
No alerts
Replay Analysis
N8867QBOEING Boeing 737 MAX 8
→
06/29/2026
2h 15m
No alerts
Replay Analysis
N8736JBOEING Boeing 737 MAX 8
→
06/26/2026
24m
No alerts
Replay Analysis
N8736JBOEING Boeing 737 MAX 8
→
06/26/2026
2h 12m
No alerts
Replay Analysis
N8877QBOEING Boeing 737 MAX 8
→
06/25/2026
2h 25m
No alerts
Replay Analysis
N8736JBOEING Boeing 737 MAX 8
→
06/22/2026
2h 24m
No alerts
Replay Analysis
N8716BBOEING Boeing 737 MAX 8
→
06/19/2026
1h 31m
No alerts
Replay Analysis
N8961KBOEING Boeing 737 MAX 8
→
06/18/2026
2h 32m
No alerts
Replay Analysis
N8962LBOEING Boeing 737 MAX 8
→
06/15/2026
17m
No alerts
Replay Analysis
N8962LBOEING Boeing 737 MAX 8
→
06/15/2026
3h 14m
No alerts
Replay Analysis
N8922QBOEING Boeing 737 MAX 8
→
06/12/2026
2h 15m
No alerts
Replay Analysis
N8961KBOEING Boeing 737 MAX 8
→
06/11/2026
2h 0m
No alerts
Replay Analysis
N8734QBOEING Boeing 737 MAX 8
→
06/08/2026
11m
No alerts
Replay Analysis
N8734QBOEING Boeing 737 MAX 8
→
06/08/2026
2h 45m
No alerts
Replay Analysis
N8997QBOEING Boeing 737 MAX 8
→
06/05/2026
2h 16m
No alerts
Replay Analysis
N8848QBOEING Boeing 737 MAX 8
→
06/04/2026
14m
No alerts
Replay Analysis
N8848QBOEING Boeing 737 MAX 8
→
06/04/2026
2h 31m
No alerts
Replay Analysis
N7713ABOEING Boeing 737-700
→
06/03/2026
1h 51m
△ Unstable approach
Replay Analysis
N435WNBOEING Boeing 737-700
→
06/02/2026
2h 6m
No alerts
Replay Analysis
N8648ABOEING Boeing 737-800
→
06/01/2026
2h 11m
No alerts
Replay Analysis
N8719QBOEING Boeing 737 MAX 8
→
05/31/2026
2h 4m
No alerts
Replay Analysis
N960WNBOEING Boeing 737-700
→
05/30/2026
1h 56m
No alerts
Replay Analysis
N8868LBOEING Boeing 737 MAX 8
→
05/29/2026
2h 0m
No alerts
Replay Analysis
N8303RBOEING Boeing 737-800
→
05/28/2026
1h 58m
No alerts
Replay Analysis
N7747CBOEING Boeing 737-700
→
05/27/2026
1h 54m
No alerts
Replay Analysis
N290WNBOEING Boeing 737-700
→
05/26/2026
2h 2m
No alerts
Replay Analysis
N8782QBOEING Boeing 737 MAX 8
→
05/25/2026
2h 16m
No alerts
Replay Analysis
N8892SBOEING Boeing 737 MAX 8
→
05/24/2026
1h 58m
No alerts
Replay Analysis
N269WNBOEING Boeing 737-700
→
05/23/2026
2h 1m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window