SWA3921 is operated by SOUTHWEST AIRLINES CO between Phoenix Sky Harbor International Airport (KPHX) and Spokane International Airport (KGEG). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 23m. SkyMeter has observed 12 legs of this flight number via ADS-B.

✈
FLIGHTS
12
last 90 days
⏱
AVG DURATION
2h 23m
tracked time
📅
SERVICE PERIOD
06/09/2026 → 07/04/2026
first → last seen
🗺
ROUTES / TYPES
1 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KPHX → KGEG
12
avg 2h 23m · Phoenix Sky Harbor → Spokane

Aircraft types

Equipment used on this number

2
B738 BOEING Boeing 737-800
7
B38M BOEING Boeing 737 MAX 8
5

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 12 operations of SWA3921

12
N8727MBOEING Boeing 737 MAX 8
→
07/04/2026
2h 16m
No alerts
Replay Analysis
N8823QBOEING Boeing 737 MAX 8
→
07/03/2026
2h 22m
No alerts
Replay Analysis
N8563ZBOEING Boeing 737-800
→
06/30/2026
2h 17m
No alerts
Replay Analysis
N8511KBOEING Boeing 737-800
→
06/27/2026
2h 34m
No alerts
Replay Analysis
N8507CBOEING Boeing 737-800
→
06/26/2026
2h 20m
No alerts
Replay Analysis
N8676ABOEING Boeing 737-800
→
06/23/2026
2h 17m
No alerts
Replay Analysis
N871HKBOEING Boeing 737 MAX 8
→
06/20/2026
2h 18m
No alerts
Replay Analysis
N8570WBOEING Boeing 737-800
→
06/19/2026
2h 28m
No alerts
Replay Analysis
N8673FBOEING Boeing 737-800
→
06/16/2026
2h 22m
No alerts
Replay Analysis
N8860SBOEING Boeing 737 MAX 8
→
06/13/2026
2h 30m
No alerts
Replay Analysis
N8942LBOEING Boeing 737 MAX 8
→
06/12/2026
2h 28m
No alerts
Replay Analysis
N8513FBOEING Boeing 737-800
→
06/09/2026
2h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window