Route · PHL → ORD · 2020–2025 BTS data
Philadelphia to Chicago
The PHL–ORD corridor (Philadelphia, PA → Chicago, IL) runs ahead of the national average, served by 30 carriers across roughly 678 miles.
Data updated 2026-06-13
- 83.4%
- On-time
- +4.4 pts
- vs US avg
- 90 min
- Delay when late
- 23,846
- Flights
Cancelled
1.7%
Best Month
Feb 2024 90%
Worst Month
Jul 2025 63%
Distance
678 mi
Carriers
30
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 343 | 118 | 6 | 0 | F9,AA,UA |
| Nov 2025 | 408 | 108 | 20 | 0 | UA,F9,AA |
| Oct 2025 | 441 | 110 | 2 | 1 | AA,UA,F9 |
| Sep 2025 | 412 | 93 | 1 | 3 | UA,F9,AA |
| Aug 2025 | 439 | 140 | 14 | 2 | AA,F9,UA |
| Jul 2025 | 403 | 150 | 25 | 1 | AA,UA,F9 |
| Jun 2025 | 393 | 135 | 12 | 1 | AA,UA,F9 |
| May 2025 | 414 | 115 | 5 | 0 | AA,UA,F9 |
| Apr 2025 | 356 | 85 | 5 | 1 | UA,AA |
| Mar 2025 | 351 | 52 | 3 | 2 | AA,UA,YX |
| Feb 2025 | 286 | 49 | 7 | 0 | AA,UA |
| Jan 2025 | 305 | 50 | 1 | 0 | AA,UA,F9,NK |
| Dec 2024 | 329 | 53 | 0 | 0 | AA,F9,UA |
| Nov 2024 | 361 | 55 | 0 | 0 | UA,YX,F9,AA |
| Oct 2024 | 409 | 45 | 2 | 0 | UA,F9,AA |
| Sep 2024 | 422 | 61 | 2 | 0 | UA,AA,F9 |
| Aug 2024 | 451 | 135 | 16 | 2 | AA,F9,UA |
| Jul 2024 | 452 | 144 | 9 | 1 | AA,F9,UA |
| Jun 2024 | 432 | 127 | 14 | 2 | AA,F9,UA |
| May 2024 | 427 | 102 | 4 | 2 | AA,F9,UA |
| Apr 2024 | 363 | 40 | 1 | 0 | AA,OO,UA |
| Mar 2024 | 306 | 37 | 0 | 0 | AA,UA,YX |
| Feb 2024 | 280 | 29 | 0 | 1 | AA,UA,YX |
| Jan 2024 | 298 | 75 | 8 | 1 | AA,YX,UA |
Cancellation Rate
1.7%
157 of 9,081 flights
Diversion Rate
0.2%
20 of 9,081 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHL - Philadelphia
Full on-time, delay-cause, and seasonal performance for Philadelphia, PA.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See PHL and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to PHL–ORD.
Routes with a similar on-time rate
What the Data Says About PHL to ORD
Bureau of Transportation Statistics records show Philadelphia to Chicago (PHL to ORD) running a 83.4% on-time rate over 23,846 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 90.2 minutes. The 678-mile corridor is served by 30 carriers, and over the last 24 months 1.7% of 9,081 flights were cancelled, 0.2% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 90% on-time, while Jul 2025 came in at just 63% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from PHL to ORD? ▼
What is the cancellation rate for PHL to ORD? ▼
How far is the flight from PHL to ORD? ▼
When is the best time to fly from PHL to ORD? ▼
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.