SWA921 is operated by SOUTHWEST AIRLINES CO between Long Island Mac Arthur Airport (KISP) and Baltimore/Washington International Thurgood Marshall Airport (KBWI). The flight is most often flown by a BOEING Boeing 737-700. Typical block time is 1h 39m. SkyMeter has observed 189 legs of this flight number via ADS-B.

FLIGHTS
189
last 90 days
AVG DURATION
1h 39m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
24 / 3
city pairs · airframes
INCIDENT RATE
2.1%
4 flagged

Routes flown

By count · last 90 days

10
42
avg 54m · Long Island Mac Arthur → Baltimore/Washington International Thurgood Marshall
39
avg 1h 2m · Baltimore/Washington International Thurgood Marshall → John Glenn Columbus
24
avg 2h 57m · John Glenn Columbus → Denver
15
avg 2h 24m · Palm Beach → Long Island Mac Arthur
9
avg 50m · Buffalo Niagara → Baltimore/Washington International Thurgood Marshall
9
avg 3h 59m · John Glenn Columbus → McCarran
9
avg 1h 19m · McCarran → Reno Tahoe
6
avg 2h 33m · Austin Bergstrom → Orlando
4
avg 1h 27m · Boise Air Terminal/Gowen Field → McCarran
3
avg 3h 42m · Austin Bergstrom → Sacramento

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 SWA921

30
08/14/2026
2h 35m
△ Low approach-stability score
08/10/2026
1h 18m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window