Route
PIT → MDW
Pittsburgh International Airport Chicago Midway International Airport
How punctual is this route?
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,097
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Air traffic control & airport 28%
- Airline (crew, maintenance, cleaning) 26%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.6% | 112 |
| October 2025 | 83.3% | 114 |
| November 2025 | 84.3% | 85 |
| December 2025 | 64.8% | 89 |
| January 2026 | 82.6% | 88 |
| February 2026 | 89.9% | 80 |
| March 2026 | 69.0% | 89 |
| April 2026 | 78.8% | 86 |
| May 2026 | 79.3% | 87 |
| June 2026 | 68.7% | 86 |
| July 2026 | 80.2% | 89 |
| August 2026 | 50.5% | 92 |
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 | 1,097 | 76.7% | 1.1% | 64 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN2365
19% late · 60 flights
-
WN3264
4% late · 58 flights
-
WN3940
12% late · 58 flights
-
WN1348
11% late · 57 flights
-
WN1360
35% late · 49 flights
-
WN3634
35% late · 46 flights
-
WN3378
23% late · 44 flights
-
WN4073
31% late · 43 flights
-
WN2928
18% late · 40 flights
-
WN2209
23% late · 33 flights
-
WN3832
61% late · 33 flights
-
WN585
16% late · 32 flights
-
WN2515
10% late · 31 flights
-
WN2593
16% late · 31 flights
-
WN2385
50% late · 28 flights
-
WN3181
15% late · 28 flights
-
WN3299
19% late · 28 flights
-
WN914
14% late · 28 flights
-
WN4132
22% late · 27 flights
-
WN1707
16% late · 26 flights
-
WN2611
17% late · 23 flights
-
WN4673
48% late · 23 flights
-
WN3059
9% late · 22 flights
-
WN3265
10% late · 22 flights
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