SWA4221 is operated by SOUTHWEST AIRLINES CO between Norman Y. Mineta San Jose International Airport (KSJC) and Austin Bergstrom International Airport (KAUS). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 45m. SkyMeter has observed 69 legs of this flight number via ADS-B.

✈
FLIGHTS
69
last 90 days
⏱
AVG DURATION
2h 45m
tracked time
📅
SERVICE PERIOD
05/29/2025 → 06/27/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
20.3%
14 flagged

Routes flown

By count · last 90 days

3
KSJC → KAUS
45
avg 3h 28m · Norman Y. Mineta San Jose → Austin Bergstrom
KMDW → KRDU
13
avg 1h 30m · Chicago Midway → Raleigh Durham
KTPA → KALB
4
avg 2h 50m · Tampa → Albany

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
36
B738 BOEING Boeing 737-800
20
B737 BOEING Boeing 737-700
17

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
14
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 SWA4221

30
N8323CBOEING Boeing 737-800
→
06/27/2026
2h 36m
No alerts
Replay Analysis
N8671DBOEING Boeing 737-800
→
06/26/2026
1h 28m
No alerts
Replay Analysis
N8732SBOEING Boeing 737 MAX 8
→
06/25/2026
1h 30m
No alerts
Replay Analysis
N8926QBOEING Boeing 737 MAX 8
→
06/23/2026
5m
No alerts
Replay Analysis
N8891QBOEING Boeing 737 MAX 8
→
06/23/2026
1h 29m
△ Unstable
Replay Analysis
N8323CBOEING Boeing 737-800
→
06/20/2026
3h 4m
No alerts
Replay Analysis
N8828LBOEING Boeing 737 MAX 8
→
06/20/2026
1h 21m
No alerts
Replay Analysis
N8628ABOEING Boeing 737-800
→
06/19/2026
1h 45m
No alerts
Replay Analysis
N8311QBOEING Boeing 737-800
→
06/18/2026
1h 23m
No alerts
Replay Analysis
N8667DBOEING Boeing 737-800
→
06/17/2026
1h 0m
No alerts
Replay Analysis
N8667DBOEING Boeing 737-800
→
06/16/2026
22m
No alerts
Replay Analysis
N8667DBOEING Boeing 737-800
→
06/16/2026
1h 22m
No alerts
Replay Analysis
N8897KBOEING Boeing 737 MAX 8
→
06/16/2026
1h 22m
△ Unstable
Replay Analysis
N8737LBOEING Boeing 737 MAX 8
→
06/13/2026
2h 43m
No alerts
Replay Analysis
N9007KBOEING Boeing 737 MAX 8
→
06/13/2026
1h 23m
No alerts
Replay Analysis
N8501VBOEING Boeing 737-800
→
06/12/2026
1h 27m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/10/2026
1h 6m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/09/2026
40m
No alerts
Replay Analysis
N8827QBOEING Boeing 737 MAX 8
→
06/09/2026
1h 47m
No alerts
Replay Analysis
N8522PBOEING Boeing 737-800
→
06/09/2026
1h 39m
No alerts
Replay Analysis
N8687ABOEING Boeing 737-800
→
06/06/2026
2h 56m
No alerts
Replay Analysis
N8942LBOEING Boeing 737 MAX 8
→
06/06/2026
1h 29m
No alerts
Replay Analysis
N7741CBOEING Boeing 737-700
→
06/03/2026
3h 39m
No alerts
Replay Analysis
N488WNBOEING Boeing 737-700
→
06/02/2026
3h 34m
No alerts
Replay Analysis
N878QBOEING Boeing 737 MAX 8
→
06/01/2026
3h 39m
△ Unstable
Replay Analysis
N8826QBOEING Boeing 737 MAX 8
→
05/31/2026
3h 4m
No alerts
Replay Analysis
N8772MBOEING Boeing 737 MAX 8
→
05/29/2026
3h 10m
△ Unstable
Replay Analysis
N8712LBOEING Boeing 737 MAX 8
→
05/28/2026
16m
No alerts
Replay Analysis
N8712LBOEING Boeing 737 MAX 8
→
05/28/2026
3h 9m
△ Unstable
Replay Analysis
N276WNBOEING Boeing 737-700
→
05/27/2026
3h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window