Route
PHX → MDW
Phoenix Sky Harbor International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,742
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Airline (crew, maintenance, cleaning) 39%
- Air traffic control & airport 13%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 84.2% | 204 |
| October 2025 | 81.9% | 266 |
| November 2025 | 73.6% | 223 |
| December 2025 | 75.8% | 242 |
| January 2026 | 76.0% | 201 |
| February 2026 | 78.4% | 204 |
| March 2026 | 61.1% | 283 |
| April 2026 | 73.1% | 251 |
| May 2026 | 63.2% | 236 |
| June 2026 | 61.4% | 229 |
| July 2026 | 56.3% | 206 |
| August 2026 | 64.8% | 197 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 2,633 | 70.9% | 1.1% | 53 min |
| Frontier Airlines | 109 | 68.2% | 1.8% | 90 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
F91736
26% late · 74 flights
-
WN139
12% late · 64 flights
-
WN4066
46% late · 60 flights
-
WN2379
35% late · 59 flights
-
WN4087
19% late · 59 flights
-
WN3180
34% late · 58 flights
-
WN3821
5% late · 58 flights
-
WN4128
50% late · 57 flights
-
WN3722
15% late · 54 flights
-
WN3181
25% late · 53 flights
-
WN3296
28% late · 52 flights
-
WN2521
90% late · 51 flights
-
WN3827
27% late · 51 flights
-
WN3826
35% late · 50 flights
-
WN113
31% late · 46 flights
-
WN1394
25% late · 44 flights
-
WN3295
9% late · 43 flights
-
WN3297
56% late · 43 flights
-
WN291
29% late · 42 flights
-
WN396
19% late · 42 flights
-
WN2130
29% late · 41 flights
-
F92420
44% late · 33 flights
-
WN2539
30% late · 33 flights
-
WN1129
38% late · 32 flights
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