WN3440Southwest Airlines · DSM → DEN
live · 24m ago
Route confirmed Southwest Airlines

WN3440 Des MoinesDSM · 06:20 DenverDEN · 07:15

WN3440 by Southwest Airlines flies from Des Moines (DSM) to Denver (DEN).

Right nowNext departure tomorrow Operates daily
06:20

scheduled from DSM

⚖ WN3440 typically leaves +18 and lands −1. The air wins minutes back.
Typical gate push+18 minmedian posted departure
Typical arrival−1 minmedian over 8 operations
Wins back in air~19 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-20
+41 gate · +21 arrival
10-19
+41 gate · +21 arrival
10-18
+6 gate · −20 arrival
10-16
+6 gate · −13 arrival
10-15
+18 gate · +12 arrival
10-12
+6 gate · −13 arrival
10-11
+18 gate · −1 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −1 min · 0 cancelled · 8 operations tracked

The route today

live boards
DSMDes MoinesOn-time likelyDSM delay board →
DENDenverOn-time likelyDEN delay board →
DSM→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
45%Chance of 15+ min delay
2.2%Chance of cancellation
+11 minAvg hub delay right now

Conditions at DSM and DEN are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Des Moines to Denver flights today

same route · Southwest Airlines
WN724departs 07:00
WN1503departs 07:05
WN3586departs 17:55
WN3964departs 18:35
WN3967departs 19:10
WN4642departs 19:20

If WN3440 is cancelled, these are the other Southwest Airlines nonstop flights from Des Moines to Denver on the same day, with scheduled departure times in DSM local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN3440 actually runs

Pro Flight Search has tracked every published board update for WN3440 across the DSM and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 6/8 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN3440 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-20DSM 06:20 07:01 (+41)DEN 07:15 07:36 (+21)
10-19DSM 06:20 07:01 (+41)DEN 07:15 07:36 (+21)
10-18DSM 06:45 06:51 (+6)DEN 07:40 07:20 (−20)
10-16DSM 06:20 06:26 (+6)DEN 07:15 07:02 (−13)
10-15DSM 06:20 06:38 (+18)DEN 07:15 07:27 (+12)
10-12DSM 06:20 06:26 (+6)DEN 07:15 07:02 (−13)
10-11DSM 06:45 07:03 (+18)DEN 07:40 07:39 (−1)
10-09DSM 06:20 06:39 (+19)DEN 07:15 07:10 (−5)

Aircraft

Recent tails: N476WN, N253WN, N7857B, N487WN.

Board clocks recorded as DSM and DEN published them.

Planning around WN3440? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN3440 Des Moines to Denver on-time performance, measured from the DSM and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN3440
How we measure this →