SWA4209 is operated by SOUTHWEST AIRLINES CO between San Francisco International Airport (KSFO) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 3h 20m. SkyMeter has observed 70 legs of this flight number via ADS-B.

✈
FLIGHTS
70
last 90 days
⏱
AVG DURATION
3h 20m
tracked time
📅
SERVICE PERIOD
11/22/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
9 / 3
city pairs · airframes
⚠
INCIDENT RATE
4.3%
3 flagged

Routes flown

By count · last 90 days

7
KSFO → KBWI
30
avg 5h 19m · San Francisco → Baltimore/Washington International Thurgood Marshall
KSDF → KBWI
21
avg 1h 15m · Louisville Muhammad Ali → Baltimore/Washington International Thurgood Marshall
KMDW → KSDF
7
avg 48m · Chicago Midway → Louisville Muhammad Ali
KHAF → KBWI
5
avg 5h 23m · Half Moon Bay → Baltimore/Washington International Thurgood Marshall
KSDF → KFME
2
avg 1h 26m · Louisville Muhammad Ali → Tipton
KSDF → KGSP
2
avg 48m · Louisville Muhammad Ali → Greenville Spartanburg
KSFO → KFME
1
avg 5h 23m · San Francisco → Tipton

Aircraft types

Equipment used on this number

3
B737 BOEING Boeing 737-700
32
B38M BOEING Boeing 737 MAX 8
20
B738 BOEING Boeing 737-800
18

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 SWA4209

30
N464WNBOEING Boeing 737-700
→
07/19/2026
1h 12m
No alerts
Replay Analysis
N464WNBOEING Boeing 737-700
→
07/19/2026
47m
No alerts
Replay Analysis
N943WNBOEING Boeing 737-700
→
07/17/2026
1h 13m
No alerts
Replay Analysis
N247WNBOEING Boeing 737-700
→
07/16/2026
1h 19m
No alerts
Replay Analysis
N465WNBOEING Boeing 737-700
→
07/13/2026
1h 21m
No alerts
Replay Analysis
N7888ABOEING Boeing 737-700
→
07/12/2026
1h 21m
△ Low approach-stability score
Replay Analysis
N7888ABOEING Boeing 737-700
→
07/12/2026
46m
No alerts
Replay Analysis
N8529ZBOEING Boeing 737-800
→
07/10/2026
1h 12m
No alerts
Replay Analysis
N236WNBOEING Boeing 737-700
→
07/10/2026
1h 12m
No alerts
Replay Analysis
N269WNBOEING Boeing 737-700
→
07/06/2026
47m
No alerts
Replay Analysis
N470WNBOEING Boeing 737-700
→
07/05/2026
42m
No alerts
Replay Analysis
N472WNBOEING Boeing 737-700
→
07/03/2026
1h 11m
No alerts
Replay Analysis
N7702ABOEING Boeing 737-700
→
07/02/2026
1h 12m
No alerts
Replay Analysis
N937WNBOEING Boeing 737-700
→
06/29/2026
1h 22m
No alerts
Replay Analysis
N228WNBOEING Boeing 737-700
→
06/28/2026
1h 30m
No alerts
Replay Analysis
N228WNBOEING Boeing 737-700
→
06/28/2026
41m
No alerts
Replay Analysis
N497WNBOEING Boeing 737-700
→
06/26/2026
1h 15m
No alerts
Replay Analysis
N439WNBOEING Boeing 737-700
→
06/25/2026
1h 12m
No alerts
Replay Analysis
N204WNBOEING Boeing 737-700
→
06/22/2026
1h 10m
No alerts
Replay Analysis
N467WNBOEING Boeing 737-700
→
06/21/2026
1h 24m
No alerts
Replay Analysis
N467WNBOEING Boeing 737-700
→
06/21/2026
46m
No alerts
Replay Analysis
N483WNBOEING Boeing 737-700
→
06/19/2026
1h 15m
No alerts
Replay Analysis
N234WNBOEING Boeing 737-700
→
06/18/2026
1h 10m
No alerts
Replay Analysis
N7835ABOEING Boeing 737-700
→
06/15/2026
1h 8m
No alerts
Replay Analysis
N299WNBOEING Boeing 737-700
→
06/14/2026
48m
↘ Diverted (inferred)
Replay Analysis
N299WNBOEING Boeing 737-700
→
06/14/2026
1h 0m
No alerts
Replay Analysis
N959WNBOEING Boeing 737-700
→
06/12/2026
1h 15m
No alerts
Replay Analysis
N286WNBOEING Boeing 737-700
→
06/11/2026
19m
No alerts
Replay Analysis
N7881ABOEING Boeing 737-700
→
06/08/2026
1h 17m
No alerts
Replay Analysis
N7738ABOEING Boeing 737-700
→
06/07/2026
1h 30m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window