SWA3866 is operated by SOUTHWEST AIRLINES CO between Denver International Airport (KDEN) and Mahlon Sweet Field (KEUG). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 17m. SkyMeter has observed 78 legs of this flight number via ADS-B.

✈
FLIGHTS
78
last 90 days
⏱
AVG DURATION
2h 17m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/04/2026
first → last seen
🗺
ROUTES / TYPES
10 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.3%
1 flagged

Routes flown

By count · last 90 days

6
KDEN → KEUG
45
avg 2h 40m · Denver → Mahlon Sweet Field
KMYR → KDEN
6
avg 3h 27m · Myrtle Beach → Denver
KMCI → KLAS
3
avg 2h 42m · Kansas City → McCarran
KMSP → KBWI
2
avg 2h 18m · Minneapolis-St Paul International/Wold-Chamberlain → Baltimore/Washington International Thurgood Marshall
KBNA → KCLT
1
avg 50m · Nashville → Charlotte Douglas
KFLL → KMCI
1
avg 2h 47m · Fort Lauderdale Hollywood → Kansas City

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
36
B737 BOEING Boeing 737-700
23
B738 BOEING Boeing 737-800
21

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 SWA3866

30
N8669BBOEING Boeing 737-800
→
07/04/2026
2h 46m
No alerts
Replay Analysis
N8549ZBOEING Boeing 737-800
→
07/01/2026
3h 22m
No alerts
Replay Analysis
N8657BBOEING Boeing 737-800
→
06/30/2026
3h 18m
No alerts
Replay Analysis
N8541WBOEING Boeing 737-800
→
06/29/2026
1h 51m
No alerts
Replay Analysis
N8541WBOEING Boeing 737-800
→
06/28/2026
19m
No alerts
Replay Analysis
N8541WBOEING Boeing 737-800
→
06/28/2026
24m
No alerts
Replay Analysis
N8541WBOEING Boeing 737-800
→
06/28/2026
2h 36m
No alerts
Replay Analysis
N561WNBOEING Boeing 737-700
→
06/27/2026
2h 50m
△ Unstable approach
Replay Analysis
N8986QBOEING Boeing 737 MAX 8
→
06/24/2026
3h 31m
No alerts
Replay Analysis
N8787KBOEING Boeing 737 MAX 8
→
06/23/2026
3h 39m
No alerts
Replay Analysis
N8558ZBOEING Boeing 737-800
→
06/22/2026
1h 35m
No alerts
Replay Analysis
N8558ZBOEING Boeing 737-800
→
06/21/2026
36m
No alerts
Replay Analysis
N8558ZBOEING Boeing 737-800
→
06/21/2026
25m
No alerts
Replay Analysis
N967WNBOEING Boeing 737-700
→
06/20/2026
2h 39m
No alerts
Replay Analysis
N8517FBOEING Boeing 737-800
→
06/17/2026
3h 32m
No alerts
Replay Analysis
N8839QBOEING Boeing 737 MAX 8
→
06/16/2026
3h 35m
No alerts
Replay Analysis
N225WNBOEING Boeing 737-700
→
06/13/2026
2h 36m
No alerts
Replay Analysis
N8865LBOEING Boeing 737 MAX 8
→
06/10/2026
3h 28m
No alerts
Replay Analysis
N8685BBOEING Boeing 737-800
→
06/09/2026
3h 21m
No alerts
Replay Analysis
N8545VBOEING Boeing 737-800
→
06/08/2026
2h 0m
No alerts
Replay Analysis
N8919KBOEING Boeing 737 MAX 8
→
06/05/2026
50m
No alerts
Replay Analysis
N955WNBOEING Boeing 737-700
→
06/04/2026
2h 23m
No alerts
Replay Analysis
N7736ABOEING Boeing 737-700
→
06/03/2026
2h 25m
No alerts
Replay Analysis
N8919KBOEING Boeing 737 MAX 8
→
06/02/2026
2h 42m
No alerts
Replay Analysis
N8803LBOEING Boeing 737 MAX 8
→
06/01/2026
2h 29m
No alerts
Replay Analysis
N8326FBOEING Boeing 737-800
→
05/30/2026
2h 26m
No alerts
Replay Analysis
N8326FBOEING Boeing 737-800
→
05/30/2026
22m
No alerts
Replay Analysis
N8914QBOEING Boeing 737 MAX 8
→
05/29/2026
2h 26m
No alerts
Replay Analysis
N236WNBOEING Boeing 737-700
→
05/28/2026
2h 9m
No alerts
Replay Analysis
N912WNBOEING Boeing 737-700
→
05/27/2026
2h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window