Flight Status & Tracker

SWA437

SOUTHWEST AIRLINES CO · BUF → DEN · Last tracked Sep 25, 2026

SWA437 is a flight number operated by SOUTHWEST AIRLINES CO between Buffalo Niagara International Airport (KBUF) and Denver International Airport (KDEN). SkyMeter last tracked SWA437 on September 25, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 1h 57m. SkyMeter has observed 107 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
107
last 90 days
⏱
AVG DURATION
1h 57m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/25/2026
first → last seen
🗺
ROUTES / TYPES
26 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.9%
2 flagged

Routes flown

By count · last 90 days

10
20
avg 3h 17m · Buffalo Niagara → Denver
15
avg 1h 21m · William P Hobby → Birmingham-Shuttlesworth
10
avg 1h 7m · Bradley → Baltimore/Washington International Thurgood Marshall
10
avg 2h 30m · Birmingham-Shuttlesworth → Denver
9
avg 1h 13m · Birmingham-Shuttlesworth → Tampa
7
avg 2h 15m · Orlando → Bradley
7
avg 1h 20m · Rowan Heliport → Birmingham-Shuttlesworth
5
avg 2h 0m · Boise Air Terminal/Gowen Field → San Diego
3
avg 58m · Marks Heliport → Baltimore/Washington International Thurgood Marshall
3
avg 1h 8m · Skylark Airpark → Baltimore/Washington International Thurgood Marshall

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 SWA437

30
8/26/2026
1h 11m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window