Route · PIT → MDW · 2020–2025 BTS data
Pittsburgh to Chicago
The PIT–MDW corridor (Pittsburgh, PA → Chicago, IL) runs ahead of the national average, served by 1 carrier across roughly 402 miles.
Data updated 2026-06-13
- 84.1%
- On-time
- +5.1 pts
- vs US avg
- 58 min
- Delay when late
- 6,929
- Flights
Cancelled
0.8%
Best Month
Feb 2024 94%
Worst Month
Dec 2025 65%
Distance
402 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 89 | 31 | 1 | 0 | WN |
| Nov 2025 | 85 | 13 | 2 | 0 | WN |
| Oct 2025 | 114 | 19 | 0 | 0 | WN |
| Sep 2025 | 112 | 15 | 0 | 0 | WN |
| Aug 2025 | 113 | 18 | 0 | 2 | WN |
| Jul 2025 | 105 | 30 | 1 | 0 | WN |
| Jun 2025 | 102 | 22 | 0 | 0 | WN |
| May 2025 | 86 | 18 | 0 | 0 | WN |
| Apr 2025 | 86 | 12 | 0 | 0 | WN |
| Mar 2025 | 87 | 9 | 0 | 0 | WN |
| Feb 2025 | 72 | 14 | 1 | 0 | WN |
| Jan 2025 | 84 | 21 | 0 | 0 | WN |
| Dec 2024 | 87 | 20 | 1 | 0 | WN |
| Nov 2024 | 84 | 6 | 0 | 0 | WN |
| Oct 2024 | 107 | 16 | 1 | 0 | WN |
| Sep 2024 | 111 | 11 | 0 | 0 | WN |
| Aug 2024 | 112 | 15 | 1 | 0 | WN |
| Jul 2024 | 104 | 19 | 1 | 0 | WN |
| Jun 2024 | 100 | 29 | 0 | 1 | WN |
| May 2024 | 79 | 23 | 0 | 0 | WN |
| Apr 2024 | 83 | 7 | 0 | 1 | WN |
| Mar 2024 | 99 | 12 | 0 | 0 | WN |
| Feb 2024 | 83 | 5 | 0 | 0 | WN |
| Jan 2024 | 95 | 14 | 10 | 0 | WN |
Cancellation Rate
0.8%
19 of 2,279 flights
Diversion Rate
0.2%
4 of 2,279 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
Origin airport →MDW - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See PIT and MDW side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PIT–MDW.
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What the Data Says About PIT to MDW
Bureau of Transportation Statistics records show Pittsburgh to Chicago (PIT to MDW) running a 84.1% on-time rate over 6,929 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 58.4 minutes. The 402-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 2,279 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 94% on-time, while Dec 2025 came in at just 65% - a 29-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.