WN4066Phoenix to Chicago
Southwest Airlines flight WN4066 flies from Phoenix Sky Harbor (PHX) to Chicago Midway (MDW), 2,320 km. Over August 2025 to July 2026 it usually arrives about 8 minutes late: 73% of 138 flights arrived within 15 minutes of schedule and 0.7% were cancelled (US Department of Transportation data).
On-time record, last 12 months
Every operation of WN4066, August 2025 to July 2026: 138 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4066
- Phoenix Sky Harbor (PHX) to Chicago Midway (MDW)57 flights
- Phoenix Sky Harbor (PHX) to Dallas Love Field (DAL)46 flights
- Oklahoma City (OKC) to St. Louis (STL)31 flights
- San Jose (SJC) to Las Vegas (LAS)1 flights
- Albuquerque (ABQ) to Dallas Love Field (DAL)1 flights
- Nashville (BNA) to Denver (DEN)1 flights
- San Diego (SAN) to Denver (DEN)1 flights
Other flights from Phoenix to Chicago
More about Phoenix Sky Harbor (PHX) and Chicago Midway (MDW).
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/wn4066" title="WN4066 is on time 73% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4066.svg" alt="WN4066 is on time 73% of the time" width="360" height="88" loading="lazy"></a>
<a href="https://tripstow.com/flights/wn4066" title="WN4066 is on time 73% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4066.svg?theme=light" alt="WN4066 is on time 73% of the time" width="360" height="88" loading="lazy"></a>[](https://tripstow.com/flights/wn4066)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