SWA4156 is operated by SOUTHWEST AIRLINES CO between General Edward Lawrence Logan International Airport (KBOS) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 3h 56m. SkyMeter has observed 31 legs of this flight number via ADS-B.

✈
FLIGHTS
31
last 90 days
⏱
AVG DURATION
3h 56m
tracked time
📅
SERVICE PERIOD
05/29/2025 → 07/02/2026
first → last seen
🗺
ROUTES / TYPES
5 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KBOS → KDEN
27
avg 4h 14m · General Edward Lawrence Logan → Denver
KMDW → KBNA
1
avg 1h 2m · Chicago Midway → Nashville
KMCO → KSTL
1
avg 2h 4m · Orlando → St Louis Lambert
KBOS → K18V
1
avg 4h 20m · General Edward Lawrence Logan → Platte Valley Airpark
KMCO → KPBI
1
avg 35m · Orlando → Palm Beach

Aircraft types

Equipment used on this number

2
B38M BOEING Boeing 737 MAX 8
17
B738 BOEING Boeing 737-800
16

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 SWA4156

30
N8816QBOEING Boeing 737 MAX 8
→
07/02/2026
4h 6m
No alerts
Replay Analysis
N8962LBOEING Boeing 737 MAX 8
→
07/01/2026
4h 1m
No alerts
Replay Analysis
N8849QBOEING Boeing 737 MAX 8
→
06/30/2026
4h 1m
No alerts
Replay Analysis
N8729HBOEING Boeing 737 MAX 8
→
06/29/2026
3h 55m
No alerts
Replay Analysis
N500WRBOEING Boeing 737-800
→
06/28/2026
4h 6m
No alerts
Replay Analysis
N8920QBOEING Boeing 737 MAX 8
→
06/27/2026
4h 14m
No alerts
Replay Analysis
N8927QBOEING Boeing 737 MAX 8
→
06/26/2026
4h 21m
No alerts
Replay Analysis
N8329BBOEING Boeing 737-800
→
06/25/2026
4h 39m
No alerts
Replay Analysis
N8932QBOEING Boeing 737 MAX 8
→
06/24/2026
4h 17m
No alerts
Replay Analysis
N8697CBOEING Boeing 737-800
→
06/23/2026
4h 24m
No alerts
Replay Analysis
N8701QBOEING Boeing 737 MAX 8
→
06/22/2026
4h 18m
No alerts
Replay Analysis
N8578QBOEING Boeing 737-800
→
06/21/2026
4h 14m
No alerts
Replay Analysis
N8628ABOEING Boeing 737-800
→
06/20/2026
4h 19m
No alerts
Replay Analysis
N8534ZBOEING Boeing 737-800
→
06/19/2026
4h 25m
No alerts
Replay Analysis
N8733MBOEING Boeing 737 MAX 8
→
06/18/2026
4h 36m
No alerts
Replay Analysis
N8838QBOEING Boeing 737 MAX 8
→
06/17/2026
4h 26m
No alerts
Replay Analysis
N8793QBOEING Boeing 737 MAX 8
→
06/16/2026
4h 11m
No alerts
Replay Analysis
N8949QBOEING Boeing 737 MAX 8
→
06/15/2026
4h 19m
No alerts
Replay Analysis
N8821SBOEING Boeing 737 MAX 8
→
06/14/2026
4h 45m
No alerts
Replay Analysis
N8656BBOEING Boeing 737-800
→
06/13/2026
4h 26m
No alerts
Replay Analysis
N8889QBOEING Boeing 737 MAX 8
→
06/12/2026
4h 14m
No alerts
Replay Analysis
N8535SBOEING Boeing 737-800
→
06/10/2026
4h 4m
No alerts
Replay Analysis
N8563ZBOEING Boeing 737-800
→
06/09/2026
3h 53m
No alerts
Replay Analysis
N1801UBOEING Boeing 737 MAX 8
→
06/08/2026
3h 47m
No alerts
Replay Analysis
N8327ABOEING Boeing 737-800
→
06/07/2026
4h 5m
No alerts
Replay Analysis
N8653ABOEING Boeing 737-800
→
06/06/2026
4h 12m
No alerts
Replay Analysis
N8669BBOEING Boeing 737-800
→
06/05/2026
4h 10m
No alerts
Replay Analysis
N8326FBOEING Boeing 737-800
→
06/04/2026
3h 54m
No alerts
Replay Analysis
N9004HBOEING Boeing 737 MAX 8
→
05/25/2026
35m
No alerts
Replay Analysis
N8774QBOEING Boeing 737 MAX 8
→
04/05/2026
1h 2m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window