SWA643 is operated by SOUTHWEST AIRLINES CO between Nashville International Airport (KBNA) and Phoenix Sky Harbor International Airport (KPHX). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 29m. SkyMeter has observed 77 legs of this flight number via ADS-B.

✈
FLIGHTS
77
last 90 days
⏱
AVG DURATION
2h 29m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
11 / 3
city pairs · airframes
⚠
INCIDENT RATE
2.6%
2 flagged

Routes flown

By count · last 90 days

10
KBNA → KPHX
46
avg 3h 13m · Nashville → Phoenix Sky Harbor
KDTW → KBNA
12
avg 1h 32m · Detroit Metropolitan Wayne County → Nashville
KBNA → KGSP
10
avg 45m · Nashville → Greenville Spartanburg
KM88 → KPHX
2
avg 3h 12m · Cornelia Fort Airpark → Phoenix Sky Harbor
KDTW → KIND
1
avg 2h 50m · Detroit Metropolitan Wayne County → Indianapolis
KMIA → KMDW
1
avg 2h 51m · Miami → Chicago Midway
KIND → KBNA
1
avg 42m · Indianapolis → Nashville
KGSP → KBWI
1
avg 1h 7m · Greenville Spartanburg → Baltimore/Washington International Thurgood Marshall
KDTW → KMQY
1
avg 1h 8m · Detroit Metropolitan Wayne County → Smyrna
MI07 → KBNA
1
avg 2h 9m · Dearborn Helistop → Nashville

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
43
B738 BOEING Boeing 737-800
26
B737 BOEING Boeing 737-700
7

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 SWA643

30
N8606CBOEING Boeing 737-800
→
08/18/2026
3h 12m
No alerts
Replay Analysis
N8742MBOEING Boeing 737 MAX 8
→
08/17/2026
3h 10m
No alerts
Replay Analysis
N8828LBOEING Boeing 737 MAX 8
→
08/15/2026
3h 4m
No alerts
Replay Analysis
N8317MBOEING Boeing 737-800
→
08/14/2026
3h 3m
No alerts
Replay Analysis
N8688JBOEING Boeing 737-800
→
08/12/2026
3h 3m
No alerts
Replay Analysis
N8552ZBOEING Boeing 737-800
→
08/11/2026
3h 3m
No alerts
Replay Analysis
N8583ZBOEING Boeing 737-800
→
08/10/2026
3h 7m
No alerts
Replay Analysis
N8509UBOEING Boeing 737-800
→
08/08/2026
3h 7m
No alerts
Replay Analysis
N8716BBOEING Boeing 737 MAX 8
→
08/07/2026
3h 6m
No alerts
Replay Analysis
N8773QBOEING Boeing 737 MAX 8
→
08/06/2026
3h 6m
No alerts
Replay Analysis
N8875BBOEING Boeing 737 MAX 8
→
08/05/2026
3h 10m
No alerts
Replay Analysis
N8718QBOEING Boeing 737 MAX 8
→
08/03/2026
3h 3m
No alerts
Replay Analysis
N8952QBOEING Boeing 737 MAX 8
→
08/02/2026
3h 9m
No alerts
Replay Analysis
N8329BBOEING Boeing 737-800
→
07/30/2026
1h 6m
No alerts
Replay Analysis
N8859QBOEING Boeing 737 MAX 8
→
07/29/2026
1h 12m
No alerts
Replay Analysis
N8726HBOEING Boeing 737 MAX 8
→
07/27/2026
3h 2m
No alerts
Replay Analysis
N8873SBOEING Boeing 737 MAX 8
→
07/26/2026
2h 59m
No alerts
Replay Analysis
N8556ZBOEING Boeing 737-800
→
07/23/2026
1h 24m
No alerts
Replay Analysis
N8925QBOEING Boeing 737 MAX 8
→
07/22/2026
41m
△ Low approach-stability score
Replay Analysis
N8925QBOEING Boeing 737 MAX 8
→
07/22/2026
2h 50m
No alerts
Replay Analysis
N8742MBOEING Boeing 737 MAX 8
→
07/20/2026
2h 52m
No alerts
Replay Analysis
N8872QBOEING Boeing 737 MAX 8
→
07/19/2026
2h 55m
No alerts
Replay Analysis
N8653ABOEING Boeing 737-800
→
07/16/2026
1h 56m
No alerts
Replay Analysis
N8983QBOEING Boeing 737 MAX 8
→
07/15/2026
1h 8m
△ Low approach-stability score
Replay Analysis
N8301JBOEING Boeing 737-800
→
07/13/2026
3h 10m
No alerts
Replay Analysis
N8973SBOEING Boeing 737 MAX 8
→
07/12/2026
3h 2m
No alerts
Replay Analysis
N8913SBOEING Boeing 737 MAX 8
→
07/09/2026
1h 23m
No alerts
Replay Analysis
N8558ZBOEING Boeing 737-800
→
07/08/2026
2h 9m
No alerts
Replay Analysis
N8774QBOEING Boeing 737 MAX 8
→
07/06/2026
3h 10m
No alerts
Replay Analysis
N8849QBOEING Boeing 737 MAX 8
→
07/05/2026
2h 50m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window