Southwest Airlines
WN4551Chicago to Tucson
Southwest Airlines flight WN4551 flies from Chicago Midway (MDW) to Tucson (TUS), 2,314 km. Over August 2025 to July 2026 it usually arrives about 6 minutes late: 77% of 157 flights arrived within 15 minutes of schedule and 0% were cancelled (US Department of Transportation data).
On-time record, last 12 months
77%
on time (within 15 min)
15%
more than 30 min late
0%
cancelled
+6 min
average arrival vs schedule
Every operation of WN4551, August 2025 to July 2026: 157 flights. Source: US Bureau of Transportation Statistics, public domain.
Routes flown as WN4551
- Chicago Midway (MDW) to Tucson (TUS)58 flights
- Tampa (TPA) to Washington (DCA)57 flights
- Phoenix Sky Harbor (PHX) to El Paso (ELP)26 flights
- Pensacola (PNS) to Houston (HOU)13 flights
- Chicago Midway (MDW) to Orlando (MCO)1 flights
- Burbank (BUR) to Reno Tahoe (RNO)1 flights
- San Jose (SJC) to Salt Lake City (SLC)1 flights
Other flights from Chicago to Tucson
More about Chicago Midway (MDW) and Tucson (TUS).
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.
Dark badge, HTML
<a href="https://tripstow.com/flights/wn4551" title="WN4551 is on time 77% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4551.svg" alt="WN4551 is on time 77% of the time" width="360" height="88" loading="lazy"></a>
Light badge, HTML
<a href="https://tripstow.com/flights/wn4551" title="WN4551 is on time 77% of the time on TripStow"><img src="https://tripstow.com/badge/flights/wn4551.svg?theme=light" alt="WN4551 is on time 77% of the time" width="360" height="88" loading="lazy"></a>Markdown, for forums and README files
[](https://tripstow.com/flights/wn4551)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