SWA1421 is operated by SOUTHWEST AIRLINES CO between Chicago Midway International Airport (KMDW) and Tucson International Airport / Morris Air National Guard Base (KTUS). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 36m. SkyMeter has observed 133 legs of this flight number via ADS-B.

✈
FLIGHTS
133
last 90 days
⏱
AVG DURATION
1h 36m
tracked time
📅
SERVICE PERIOD
05/28/2025 → 07/11/2026
first → last seen
🗺
ROUTES / TYPES
18 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KMDW → KTUS
30
avg 3h 20m · Chicago Midway → Tucson International Airport / Morris Air National Guard Base
KDAL → KVPS
23
avg 1h 29m · Dallas Love Field → Destin-Ft Walton Beach
KTUS → KLAS
21
avg 1h 1m · Tucson International Airport / Morris Air National Guard Base → McCarran
KTUS → KPHX
19
avg 31m · Tucson International Airport / Morris Air National Guard Base → Phoenix Sky Harbor
KSMF → KPHX
5
avg 1h 36m · Sacramento → Phoenix Sky Harbor
KDEN → KDAL
4
avg 2h 5m · Denver → Dallas Love Field
KBHM → KBNA
1
avg 37m · Birmingham-Shuttlesworth → Nashville
US-0507 → KPHX
1
avg 1h 33m · Natomas Field → Phoenix Sky Harbor
L36 → KPHX
1
avg 1h 30m · Rio Linda → Phoenix Sky Harbor
KMDW → KBHM
1
avg 1h 16m · Chicago Midway → Birmingham-Shuttlesworth

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
120
B738 BOEING Boeing 737-800
67
B737 BOEING Boeing 737-700
8

Safety profile

Flagged flights · last 90 days

Go-arounds
0
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 SWA1421

30
N957WNBOEING Boeing 737-700
→
07/11/2026
1h 27m
No alerts
Replay Analysis
N8966SBOEING Boeing 737 MAX 8
→
07/10/2026
1h 24m
No alerts
Replay Analysis
N8816QBOEING Boeing 737 MAX 8
→
07/09/2026
1h 26m
No alerts
Replay Analysis
N8503ABOEING Boeing 737-800
→
07/06/2026
1h 28m
No alerts
Replay Analysis
N8704QBOEING Boeing 737 MAX 8
→
07/06/2026
42m
No alerts
Replay Analysis
N8704QBOEING Boeing 737 MAX 8
→
07/05/2026
48m
No alerts
Replay Analysis
N8704QBOEING Boeing 737 MAX 8
→
07/05/2026
1h 51m
No alerts
Replay Analysis
N473WNBOEING Boeing 737-700
→
07/04/2026
36m
No alerts
Replay Analysis
N473WNBOEING Boeing 737-700
→
07/04/2026
1h 15m
No alerts
Replay Analysis
N8942LBOEING Boeing 737 MAX 8
→
07/03/2026
1h 32m
No alerts
Replay Analysis
N8845LBOEING Boeing 737 MAX 8
→
07/02/2026
1h 30m
No alerts
Replay Analysis
N8711QBOEING Boeing 737 MAX 8
→
06/29/2026
1h 53m
No alerts
Replay Analysis
N8523WBOEING Boeing 737-800
→
06/29/2026
1h 31m
No alerts
Replay Analysis
N8523WBOEING Boeing 737-800
→
06/28/2026
1h 35m
No alerts
Replay Analysis
N8523WBOEING Boeing 737-800
→
06/28/2026
23m
No alerts
Replay Analysis
N8523WBOEING Boeing 737-800
→
06/28/2026
29m
No alerts
Replay Analysis
N7704BBOEING Boeing 737-700
→
06/27/2026
1h 25m
No alerts
Replay Analysis
N8673FBOEING Boeing 737-800
→
06/26/2026
1h 28m
No alerts
Replay Analysis
N8874QBOEING Boeing 737 MAX 8
→
06/25/2026
1h 29m
No alerts
Replay Analysis
N8572XBOEING Boeing 737-800
→
06/22/2026
1h 32m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
06/22/2026
46m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
06/21/2026
42m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
06/21/2026
2h 25m
No alerts
Replay Analysis
N8822QBOEING Boeing 737 MAX 8
→
06/21/2026
18m
No alerts
Replay Analysis
N925WNBOEING Boeing 737-700
→
06/20/2026
1h 36m
No alerts
Replay Analysis
N8719QBOEING Boeing 737 MAX 8
→
06/19/2026
1h 41m
No alerts
Replay Analysis
N8317MBOEING Boeing 737-800
→
06/18/2026
1h 36m
No alerts
Replay Analysis
N886GKBOEING Boeing 737 MAX 8
→
06/15/2026
1h 27m
No alerts
Replay Analysis
N8876QBOEING Boeing 737 MAX 8
→
06/15/2026
36m
No alerts
Replay Analysis
N8876QBOEING Boeing 737 MAX 8
→
06/14/2026
1h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window