SWA420 is operated by SOUTHWEST AIRLINES CO between Bradley International Airport (KBDL) 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 1h 17m. SkyMeter has observed 93 legs of this flight number via ADS-B.

✈
FLIGHTS
93
last 90 days
⏱
AVG DURATION
1h 17m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/12/2026
first → last seen
🗺
ROUTES / TYPES
20 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.1%
1 flagged

Routes flown

By count · last 90 days

10
KBDL → KBWI
35
avg 1h 5m · Bradley → Baltimore/Washington International Thurgood Marshall
KDEN → KDAL
11
avg 1h 53m · Denver → Dallas Love Field
CT35 → KBWI
9
avg 1h 3m · Hamilton Standard Heliport → Baltimore/Washington International Thurgood Marshall
KBHM → KHOU
9
avg 1h 22m · Birmingham-Shuttlesworth → William P Hobby
KDAL → KABQ
4
avg 1h 26m · Dallas Love Field → Albuquerque International Sunport
KDCA → KDAL
3
avg 2h 40m · Ronald Reagan Washington National → Dallas Love Field
KDAL → KMSY
3
avg 1h 9m · Dallas Love Field → Louis Armstrong New Orleans
KSAN → KOAK
3
avg 1h 22m · San Diego → Metropolitan Oakland
CT50 → KBWI
3
avg 58m · Marks Heliport → Baltimore/Washington International Thurgood Marshall
KABQ → KPHX
1
avg 1h 3m · Albuquerque International Sunport → Phoenix Sky Harbor

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
39
B738 BOEING Boeing 737-800
31
B737 BOEING Boeing 737-700
23

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
0
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 SWA420

30
N257WNBOEING Boeing 737-700
→
8/12/2026
1h 10m
No alerts
Replay Analysis
N946WNBOEING Boeing 737-700
→
8/10/2026
1h 22m
No alerts
Replay Analysis
N920WNBOEING Boeing 737-700
→
8/10/2026
2h 35m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/10/2026
1h 19m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/10/2026
1h 3m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/9/2026
1h 32m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/9/2026
12m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/9/2026
1h 3m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/9/2026
24m
No alerts
Replay Analysis
N249WNBOEING Boeing 737-700
→
8/9/2026
1h 28m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
8/8/2026
1h 42m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
8/8/2026
2h 45m
No alerts
Replay Analysis
N255WNBOEING Boeing 737-700
→
8/7/2026
1h 22m
No alerts
Replay Analysis
N255WNBOEING Boeing 737-700
→
8/7/2026
2h 39m
No alerts
Replay Analysis
N440LVBOEING Boeing 737-700
→
8/6/2026
1h 31m
No alerts
Replay Analysis
N440LVBOEING Boeing 737-700
→
8/6/2026
2h 37m
No alerts
Replay Analysis
N8630BBOEING Boeing 737-800
→
8/6/2026
1h 37m
No alerts
Replay Analysis
N241WNBOEING Boeing 737-700
→
8/5/2026
2h 1m
No alerts
Replay Analysis
N8887QBOEING Boeing 737 MAX 8
→
8/3/2026
1h 10m
No alerts
Replay Analysis
N8835QBOEING Boeing 737 MAX 8
→
8/3/2026
1h 21m
No alerts
Replay Analysis
N955WNBOEING Boeing 737-700
→
8/1/2026
1h 18m
No alerts
Replay Analysis
N8518RBOEING Boeing 737-800
→
7/31/2026
54m
No alerts
Replay Analysis
N8812QBOEING Boeing 737 MAX 8
→
7/30/2026
1h 10m
No alerts
Replay Analysis
N8847QBOEING Boeing 737 MAX 8
→
7/29/2026
1h 1m
No alerts
Replay Analysis
N8313FBOEING Boeing 737-800
→
7/28/2026
1h 6m
No alerts
Replay Analysis
N9004HBOEING Boeing 737 MAX 8
→
7/27/2026
55m
No alerts
Replay Analysis
N8559QBOEING Boeing 737-800
→
7/27/2026
1h 18m
No alerts
Replay Analysis
N215WNBOEING Boeing 737-700
→
7/25/2026
1h 14m
No alerts
Replay Analysis
N8605EBOEING Boeing 737-800
→
7/24/2026
1h 6m
No alerts
Replay Analysis
N8525SBOEING Boeing 737-800
→
7/23/2026
58m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window