WN3135Phoenix to Denver
Southwest Airlines flight WN3135 flies from Phoenix Sky Harbor (PHX) to Denver (DEN), 969 km. Over August 2025 to July 2026 it usually arrives about 3 minutes late: 77% of 216 flights arrived within 15 minutes of schedule and 0.9% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN3135, August 2025 to July 2026: 216 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN3135
- Phoenix Sky Harbor (PHX) to Denver (DEN)52 flights
- Minneapolis (MSP) to Baltimore (BWI)42 flights
- Denver (DEN) to Orlando (MCO)33 flights
- Omaha (OMA) to Denver (DEN)23 flights
- Houston (HOU) to El Paso (ELP)19 flights
- Chicago Midway (MDW) to Phoenix Sky Harbor (PHX)18 flights
- Norfolk (ORF) to Chicago Midway (MDW)8 flights
- Phoenix Sky Harbor (PHX) to Los Angeles (LAX)8 flights
- Sacramento (SMF) to Portland (PDX)4 flights
- San Juan (SJU) to Houston (HOU)4 flights
Other flights from Phoenix to Denver
More about Phoenix Sky Harbor (PHX) and Denver (DEN).
Embed this on your site
A live badge for travel blogs, forums and trip reports. It updates as new data comes in, and links back here for the full stats.
<a href="https://tripstow.com/flights/wn3135" title="WN3135 is on time 77% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn3135.svg" alt="WN3135 is on time 77% of the time" width="360" height="88" loading="lazy"></a>
<a href="https://tripstow.com/flights/wn3135" title="WN3135 is on time 77% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn3135.svg?theme=light" alt="WN3135 is on time 77% of the time" width="360" height="88" loading="lazy"></a>[](https://tripstow.com/flights/wn3135)Flying soon?
Forward your booking to TripStow and get your trip built for you, with check-in reminders, punctuality for every flight and a map of everywhere you have been.
Start free