SWA1643 is operated by SOUTHWEST AIRLINES CO between Denver International Airport (KDEN) and Louis Armstrong New Orleans International Airport (KMSY). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 53m. SkyMeter has observed 88 legs of this flight number via ADS-B.

✈
FLIGHTS
88
last 90 days
⏱
AVG DURATION
1h 53m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/19/2026
first → last seen
🗺
ROUTES / TYPES
14 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KDEN → KMSY
27
avg 2h 28m · Denver → Louis Armstrong New Orleans
TJSJ → KMCO
10
avg 2h 38m · Luis Munoz Marin → Orlando
KHOU → KSTL
10
avg 1h 36m · William P Hobby → St Louis Lambert
KTUL → KHOU
9
avg 1h 13m · Tulsa → William P Hobby
KBNA → KSTL
6
avg 50m · Nashville → St Louis Lambert
KSTL → KBOS
3
avg 2h 16m · St Louis Lambert → General Edward Lawrence Logan
TA92 → KSTL
3
avg 1h 41m · Rowan Heliport → St Louis Lambert
LS45 → KMSY
1
avg 9m · Waterford 3 Heliport → Louis Armstrong New Orleans
TN33 → KSTL
1
avg 45m · Tennessee Army & Air National Guard Heliport → St Louis Lambert
KPHX → KIND
1
avg 3h 5m · Phoenix Sky Harbor → Indianapolis

Aircraft types

Equipment used on this number

4
B38M BOEING Boeing 737 MAX 8
35
B738 BOEING Boeing 737-800
29
B737 BOEING Boeing 737-700
29
NAVI NORTH AMERICAN-RYAN North American Navion
1

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 SWA1643

30
N442WNBOEING Boeing 737-700
→
08/19/2026
50m
No alerts
Replay Analysis
N7847ABOEING Boeing 737-700
→
08/18/2026
49m
No alerts
Replay Analysis
N8329BBOEING Boeing 737-800
→
08/18/2026
2h 13m
No alerts
Replay Analysis
N8755LBOEING Boeing 737 MAX 8
→
08/16/2026
45m
No alerts
Replay Analysis
N9003BNORTH AMERICAN-RYAN North American Navion
→
08/15/2026
2h 13m
No alerts
Replay Analysis
N8871QBOEING Boeing 737 MAX 8
→
08/14/2026
2h 20m
No alerts
Replay Analysis
N8871QBOEING Boeing 737 MAX 8
→
08/13/2026
6m
No alerts
Replay Analysis
N292WNBOEING Boeing 737-700
→
08/12/2026
45m
No alerts
Replay Analysis
N7748ABOEING Boeing 737-700
→
08/11/2026
50m
No alerts
Replay Analysis
N8825QBOEING Boeing 737 MAX 8
→
08/11/2026
2h 45m
No alerts
Replay Analysis
N8831LBOEING Boeing 737 MAX 8
→
08/08/2026
2h 11m
No alerts
Replay Analysis
N8536ZBOEING Boeing 737-800
→
08/07/2026
2h 23m
No alerts
Replay Analysis
N950WNBOEING Boeing 737-700
→
08/05/2026
54m
No alerts
Replay Analysis
N7823ABOEING Boeing 737-700
→
08/04/2026
52m
No alerts
Replay Analysis
N8575ZBOEING Boeing 737-800
→
08/03/2026
2h 39m
No alerts
Replay Analysis
N449WNBOEING Boeing 737-700
→
08/02/2026
1h 8m
No alerts
Replay Analysis
N8510EBOEING Boeing 737-800
→
07/31/2026
2h 38m
No alerts
Replay Analysis
N8957QBOEING Boeing 737 MAX 8
→
07/30/2026
2h 29m
No alerts
Replay Analysis
N285WNBOEING Boeing 737-700
→
07/29/2026
1h 41m
No alerts
Replay Analysis
N940WNBOEING Boeing 737-700
→
07/28/2026
1h 36m
No alerts
Replay Analysis
N8772MBOEING Boeing 737 MAX 8
→
07/27/2026
2h 48m
No alerts
Replay Analysis
N958WNBOEING Boeing 737-700
→
07/26/2026
1h 6m
No alerts
Replay Analysis
N8766TBOEING Boeing 737 MAX 8
→
07/25/2026
2h 21m
No alerts
Replay Analysis
N8665DBOEING Boeing 737-800
→
07/24/2026
2h 9m
No alerts
Replay Analysis
N9011HBOEING Boeing 737 MAX 8
→
07/23/2026
3h 1m
No alerts
Replay Analysis
N480WNBOEING Boeing 737-700
→
07/21/2026
1h 38m
No alerts
Replay Analysis
N8825QBOEING Boeing 737 MAX 8
→
07/21/2026
9m
No alerts
Replay Analysis
N8825QBOEING Boeing 737 MAX 8
→
07/20/2026
2h 8m
No alerts
Replay Analysis
N8825QBOEING Boeing 737 MAX 8
→
07/20/2026
44m
No alerts
Replay Analysis
N228WNBOEING Boeing 737-700
→
07/19/2026
1h 4m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window