WN4345Southwest Airlines · PHX → DEN
live · 4m ago
Route confirmed Southwest Airlines

WN4345 PhoenixPHX · 15:25 DenverDEN · 18:10

WN4345 by Southwest Airlines flies from Phoenix (PHX) to Denver (DEN).

Right nowNext departure today Operates daily
15:25

scheduled from PHX

Typical gate push+17 minmedian posted departure
Typical arrival+25 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+43+86+129 min
09-22
+17 gate · +25 arrival
09-21
+17 gate · +25 arrival
09-20
+20 gate · +3 arrival
09-18
+129 arrival

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

The route today

live boards
PHXPhoenixOn-time likelyPHX delay board →
DENDenverOn-time likelyDEN delay board →
PHX→DENevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
40%Chance of 15+ min delay
1.9%Chance of cancellation
+10 minAvg hub delay right now

Conditions at PHX 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 Phoenix to Denver flights today

same route · Southwest Airlines
WN472departs 05:45
WN3189departs 06:20
WN1009departs 06:35
WN2156departs 07:05
WN3190departs 07:15
WN2998departs 08:00

If WN4345 is cancelled, these are the other Southwest Airlines nonstop flights from Phoenix to Denver on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4345 actually runs

Pro Flight Search has tracked every published board update for WN4345 across the PHX and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~25 min late. Based on 4 confirmed landings · 1/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4345 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
09-22PHX 15:25 15:42 (+17)DEN 18:10 18:35 (+25)
09-21PHX 15:25 15:42 (+17)DEN 18:10 18:35 (+25)
09-20PHX 11:15 11:35 (+20)DEN 14:00 14:03 (+3)
09-18PHX DEN 18:10 20:19 (+129)

Aircraft

Recent tails: N8877Q, N8928Q, N1805U.

Board clocks recorded as PHX and DEN published them.

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 — WN4345 Phoenix to Denver on-time performance, measured from the PHX and DEN airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4345
How we measure this →