SWA621 is operated by SOUTHWEST AIRLINES CO between Norman Y. Mineta San Jose International Airport (KSJC) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 3h 50m. SkyMeter has observed 92 legs of this flight number via ADS-B.

✈
FLIGHTS
92
last 90 days
⏱
AVG DURATION
3h 50m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/24/2026
first → last seen
🗺
ROUTES / TYPES
11 / 3
city pairs · airframes
⚠
INCIDENT RATE
5.4%
5 flagged

Routes flown

By count · last 90 days

6
KSJC → KBWI
58
avg 5h 12m · Norman Y. Mineta San Jose → Baltimore/Washington International Thurgood Marshall
KHOU → KATL
7
avg 1h 41m · William P Hobby → Hartsfield Jackson Atlanta
KBWI → KSAV
6
avg 1h 26m · Baltimore/Washington International Thurgood Marshall → Savannah Hilton Head
KSAV → KBNA
5
avg 1h 4m · Savannah Hilton Head → Nashville
KECP → KHOU
2
avg 1h 24m · Northwest Florida Beaches → William P Hobby
24TE → KATL
1
avg 1h 41m · Police Helicopter Patrol Heliport → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
58
B738 BOEING Boeing 737-800
28
B737 BOEING Boeing 737-700
12

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
4
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 SWA621

30
N481WNBOEING Boeing 737-700
→
08/24/2026
1h 49m
No alerts
Replay Analysis
N8579ZBOEING Boeing 737-800
→
08/23/2026
54m
No alerts
Replay Analysis
N8579ZBOEING Boeing 737-800
→
08/22/2026
48m
No alerts
Replay Analysis
N8579ZBOEING Boeing 737-800
→
08/22/2026
1h 43m
No alerts
Replay Analysis
N8736JBOEING Boeing 737 MAX 8
→
08/17/2026
1h 4m
△ Low approach-stability score
Replay Analysis
N8736JBOEING Boeing 737 MAX 8
→
08/17/2026
1h 17m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
08/17/2026
7m
No alerts
Replay Analysis
N240WNBOEING Boeing 737-700
→
08/17/2026
1h 40m
No alerts
Replay Analysis
N8848QBOEING Boeing 737 MAX 8
→
08/16/2026
53m
No alerts
Replay Analysis
N8848QBOEING Boeing 737 MAX 8
→
08/15/2026
42m
No alerts
Replay Analysis
N8848QBOEING Boeing 737 MAX 8
→
08/15/2026
1h 35m
No alerts
Replay Analysis
N8985QBOEING Boeing 737 MAX 8
→
08/14/2026
59m
No alerts
Replay Analysis
N8985QBOEING Boeing 737 MAX 8
→
08/14/2026
1h 37m
No alerts
Replay Analysis
N8610ABOEING Boeing 737-800
→
08/13/2026
1h 3m
No alerts
Replay Analysis
N8610ABOEING Boeing 737-800
→
08/13/2026
1h 13m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
08/12/2026
1h 40m
No alerts
Replay Analysis
N8511KBOEING Boeing 737-800
→
08/11/2026
6m
No alerts
Replay Analysis
N8511KBOEING Boeing 737-800
→
08/11/2026
1h 36m
No alerts
Replay Analysis
N8977GBOEING Boeing 737 MAX 8
→
08/10/2026
1h 11m
No alerts
Replay Analysis
N8977GBOEING Boeing 737 MAX 8
→
08/10/2026
1h 19m
No alerts
Replay Analysis
N967WNBOEING Boeing 737-700
→
08/10/2026
1h 43m
No alerts
Replay Analysis
N8320JBOEING Boeing 737-800
→
08/09/2026
46m
No alerts
Replay Analysis
N8320JBOEING Boeing 737-800
→
08/08/2026
1h 43m
No alerts
Replay Analysis
N8320JBOEING Boeing 737-800
→
08/08/2026
57m
No alerts
Replay Analysis
N8850QBOEING Boeing 737 MAX 8
→
08/07/2026
1h 8m
No alerts
Replay Analysis
N8850QBOEING Boeing 737 MAX 8
→
08/07/2026
1h 28m
No alerts
Replay Analysis
N8858KBOEING Boeing 737 MAX 8
→
08/06/2026
1h 3m
No alerts
Replay Analysis
N8858KBOEING Boeing 737 MAX 8
→
08/06/2026
1h 41m
↻ Go-around
Replay Analysis
N8731JBOEING Boeing 737 MAX 8
→
08/04/2026
5h 20m
No alerts
Replay Analysis
N8759QBOEING Boeing 737 MAX 8
→
08/03/2026
5h 5m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window