SWA4129 is operated by SOUTHWEST AIRLINES CO between Dallas Love Field (KDAL) 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 0m. SkyMeter has observed 65 legs of this flight number via ADS-B.

✈
FLIGHTS
65
last 90 days
⏱
AVG DURATION
2h 0m
tracked time
📅
SERVICE PERIOD
05/31/2025 → 08/18/2026
first → last seen
🗺
ROUTES / TYPES
10 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.5%
1 flagged

Routes flown

By count · last 90 days

6
KDAL → KPHX
41
avg 2h 12m · Dallas Love Field → Phoenix Sky Harbor
KSTL → KSRQ
6
avg 2h 0m · St Louis Lambert → Sarasota Bradenton
KSAN → KSMF
3
avg 1h 53m · San Diego → Sacramento
KDCA → KMDW
2
avg 1h 32m · Ronald Reagan Washington National → Chicago Midway
KLAS → KDAL
1
avg 2h 30m · McCarran → Dallas Love Field
KNZY → KSMF
1
avg 1h 37m · North Island Naval Air Station-Halsey Field → Sacramento

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
32
B738 BOEING Boeing 737-800
22
B737 BOEING Boeing 737-700
21

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 SWA4129

30
N922WNBOEING Boeing 737-700
→
08/18/2026
1h 32m
No alerts
Replay Analysis
N913WNBOEING Boeing 737-700
→
08/05/2026
3h 14m
No alerts
Replay Analysis
N8659DBOEING Boeing 737-800
→
08/04/2026
1h 32m
No alerts
Replay Analysis
N8765QBOEING Boeing 737 MAX 8
→
08/03/2026
1h 56m
No alerts
Replay Analysis
N8619FBOEING Boeing 737-800
→
08/02/2026
1h 27m
No alerts
Replay Analysis
N8508WBOEING Boeing 737-800
→
07/31/2026
2h 2m
No alerts
Replay Analysis
N872CBBOEING Boeing 737 MAX 8
→
07/30/2026
2h 1m
No alerts
Replay Analysis
N954WNBOEING Boeing 737-700
→
07/29/2026
2h 1m
No alerts
Replay Analysis
N909WNBOEING Boeing 737-700
→
07/28/2026
2h 6m
No alerts
Replay Analysis
N8861QBOEING Boeing 737 MAX 8
→
07/28/2026
37m
No alerts
Replay Analysis
N8861QBOEING Boeing 737 MAX 8
→
07/27/2026
1h 21m
No alerts
Replay Analysis
N8861QBOEING Boeing 737 MAX 8
→
07/27/2026
1h 58m
No alerts
Replay Analysis
N8879QBOEING Boeing 737 MAX 8
→
07/26/2026
1h 55m
No alerts
Replay Analysis
N8771DBOEING Boeing 737 MAX 8
→
07/24/2026
1h 59m
No alerts
Replay Analysis
N8833LBOEING Boeing 737 MAX 8
→
07/23/2026
2h 29m
No alerts
Replay Analysis
N440LVBOEING Boeing 737-700
→
07/22/2026
15m
No alerts
Replay Analysis
N440LVBOEING Boeing 737-700
→
07/22/2026
1h 58m
No alerts
Replay Analysis
N958WNBOEING Boeing 737-700
→
07/21/2026
2h 3m
No alerts
Replay Analysis
N8659DBOEING Boeing 737-800
→
07/21/2026
17m
No alerts
Replay Analysis
N8659DBOEING Boeing 737-800
→
07/20/2026
1h 55m
No alerts
Replay Analysis
N8659DBOEING Boeing 737-800
→
07/20/2026
2h 13m
No alerts
Replay Analysis
N8920QBOEING Boeing 737 MAX 8
→
07/19/2026
38m
No alerts
Replay Analysis
N8913SBOEING Boeing 737 MAX 8
→
07/17/2026
2h 20m
No alerts
Replay Analysis
N8877QBOEING Boeing 737 MAX 8
→
07/16/2026
2h 18m
No alerts
Replay Analysis
N7852ABOEING Boeing 737-700
→
07/16/2026
2h 15m
↻ Go-around
Replay Analysis
N7852ABOEING Boeing 737-700
→
07/15/2026
24m
No alerts
Replay Analysis
N7852ABOEING Boeing 737-700
→
07/15/2026
2h 40m
↻ Go-around
Replay Analysis
N210WNBOEING Boeing 737-700
→
07/14/2026
2h 13m
No alerts
Replay Analysis
N8955QBOEING Boeing 737 MAX 8
→
07/13/2026
2h 7m
No alerts
Replay Analysis
N8317MBOEING Boeing 737-800
→
07/12/2026
1h 54m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window