Route Reliability
Phoenix → Chicago
PHX–MDW · 1,444 miles · Phoenix Sky Harbor International Airport to Chicago Midway International Airport
- 75%
- Arrive within 15 minutes
- 10 min
- Average arrival delay
- 1.1%
- Cancelled
- 2,815
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Southwest Airlines76%2,679 flights
- 2.Frontier Airlines68%136 flights
What the data says
Morning-you made the right choice.
PHX–MDW flights departing between 3–6 AM arrived on time 94% of the time, versus 61% between 3–6 PM.
Skip Monday if you can.
PHX–MDW flights arrived on time 82% of the time on Wednesdays. On Mondays: 70%.
Southwest Airlines runs this route best.
Southwest Airlines arrived on time 76% of the time on this route; Frontier Airlines managed 68%.
Recent months have been rougher.
PHX–MDW flights arrived on time 68% of the time over the last three months in the data, compared with 78% in the three months before that.
Flights on this route
The breakdown
- Mon70%(426 flights)
- Tue77%(387 flights)
- Wed82%(384 flights)
- Thu73%(429 flights)
- Fri75%(412 flights)
- Sat78%(308 flights)
- Sun73%(421 flights)
- 3–6 AM94%(255 flights)
- 6–9 AM88%(600 flights)
- 9 AM–12 PM80%(403 flights)
- 12–3 PM70%(490 flights)
- 3–6 PM61%(532 flights)
- 6–9 PM64%(405 flights)
- 9 PM–12 AM81%(82 flights)
Jun 75% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 75% | 237 |
| July 2025 | 77% | 248 |
| August 2025 | 78% | 210 |
| September 2025 | 84% | 202 |
| October 2025 | 82% | 265 |
| November 2025 | 75% | 212 |
| December 2025 | 77% | 240 |
| January 2026 | 77% | 200 |
| February 2026 | 79% | 204 |
| March 2026 | 64% | 270 |
| April 2026 | 74% | 245 |
| May 2026 | 65% | 234 |
Same trip, other airports
Keep nerding
Based on 2,815 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.