Route · ORD → PIT · 2020–2025 BTS data
Chicago to Pittsburgh
The ORD–PIT corridor (Chicago, IL → Pittsburgh, PA) runs ahead of the national average, served by 42 carriers across roughly 413 miles.
Data updated 2026-06-13
- 80.9%
- On-time
- +1.9 pts
- vs US avg
- 76 min
- Delay when late
- 16,381
- Flights
Cancelled
1.3%
Best Month
Feb 2024 88%
Worst Month
Dec 2025 64%
Distance
413 mi
Carriers
42
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 304 | 108 | 3 | 0 | YX,AA,MQ,UA,OO |
| Nov 2025 | 329 | 76 | 14 | 0 | OO,UA,MQ,AA,YX |
| Oct 2025 | 372 | 75 | 1 | 2 | AA,OO,UA,YX,MQ |
| Sep 2025 | 345 | 51 | 1 | 0 | MQ,UA,OO,YX,AA |
| Aug 2025 | 343 | 65 | 8 | 0 | AA,OO,YX,MQ,UA |
| Jul 2025 | 338 | 102 | 7 | 0 | AA,OO,UA,YX,MQ |
| Jun 2025 | 327 | 98 | 3 | 1 | AA,OO,UA,YX,MQ |
| May 2025 | 322 | 55 | 2 | 0 | AA,OO,UA,YX,MQ |
| Apr 2025 | 277 | 48 | 2 | 0 | MQ,UA,YX |
| Mar 2025 | 265 | 50 | 1 | 0 | YX,OO,UA,MQ |
| Feb 2025 | 214 | 40 | 0 | 0 | OO,UA,YX,MQ |
| Jan 2025 | 239 | 43 | 1 | 0 | AA,YX,OO,UA,MQ |
| Dec 2024 | 240 | 54 | 1 | 0 | AA,MQ,UA,YX |
| Nov 2024 | 239 | 40 | 0 | 1 | OO,YX,UA,MQ,AA |
| Oct 2024 | 263 | 42 | 0 | 1 | UA,MQ,YX,OO,AA |
| Sep 2024 | 271 | 41 | 0 | 1 | YX,OO,UA,AA,MQ |
| Aug 2024 | 291 | 89 | 6 | 0 | AA,MQ,YX,OO,UA |
| Jul 2024 | 263 | 69 | 12 | 0 | AA,UA,YX |
| Jun 2024 | 226 | 71 | 4 | 0 | AA,MQ,OO,UA,YX |
| May 2024 | 243 | 62 | 4 | 0 | AA,MQ,YX,OO,UA |
| Apr 2024 | 243 | 36 | 0 | 1 | AA,MQ,UA,YX |
| Mar 2024 | 249 | 31 | 1 | 0 | AA,MQ,YX,OO,UA |
| Feb 2024 | 213 | 26 | 1 | 0 | AA,MQ,OO,UA,YX |
| Jan 2024 | 215 | 51 | 11 | 0 | AA,MQ,YX,OO,UA |
Cancellation Rate
1.3%
83 of 6,631 flights
Diversion Rate
0.1%
7 of 6,631 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →PIT - Pittsburgh
Full on-time, delay-cause, and seasonal performance for Pittsburgh, PA.
Destination airport →Compare the two airports
See ORD and PIT side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–PIT.
Routes with a similar on-time rate
What the Data Says About ORD to PIT
16,381 tracked flights put the ORD to PIT pairing (Chicago to Pittsburgh) at a 80.9% on-time rate, squarely in line with the wider network. Delays that do occur run 76.2 minutes on average. Across the 413-mile route and its 42 carriers, the trailing 24 months show 1.3% cancelled and 0.1% diverted (6,631 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 88% on-time, while Dec 2025 came in at just 64% - a 23-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to PIT? ▼
What is the cancellation rate for ORD to PIT? ▼
How far is the flight from ORD to PIT? ▼
When is the best time to fly from ORD to PIT? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
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.