Route · PHL → DEN · 2020–2025 BTS data
Philadelphia to Denver
The PHL–DEN corridor (Philadelphia, PA → Denver, CO) runs ahead of the national average, served by 21 carriers across roughly 1,558 miles.
Data updated 2026-06-13
- 80%
- On-time
- +1 pts
- vs US avg
- 75 min
- Delay when late
- 15,213
- Flights
Cancelled
1.2%
Best Month
Oct 2024 95%
Worst Month
Dec 2025 56%
Distance
1,558 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 236 | 103 | 4 | 0 | WN,F9,AA,UA |
| Nov 2025 | 239 | 34 | 1 | 0 | UA,F9,AA,WN |
| Oct 2025 | 248 | 48 | 0 | 0 | AA,UA,WN,F9 |
| Sep 2025 | 283 | 45 | 1 | 1 | UA,WN,F9,AA |
| Aug 2025 | 309 | 71 | 2 | 4 | AA,WN,F9,UA |
| Jul 2025 | 317 | 95 | 8 | 5 | AA,UA,WN,F9 |
| Jun 2025 | 306 | 84 | 6 | 6 | AA,UA,WN,F9 |
| May 2025 | 259 | 72 | 3 | 3 | AA,UA,WN,F9 |
| Apr 2025 | 216 | 59 | 0 | 0 | F9,UA,WN,AA |
| Mar 2025 | 243 | 29 | 4 | 0 | AA,UA,WN,F9 |
| Feb 2025 | 182 | 49 | 5 | 0 | AA,UA,WN,F9 |
| Jan 2025 | 198 | 39 | 3 | 0 | AA,UA,WN,F9 |
| Dec 2024 | 222 | 44 | 0 | 0 | AA,F9,UA,WN |
| Nov 2024 | 219 | 45 | 3 | 0 | UA,WN,F9,AA |
| Oct 2024 | 250 | 13 | 0 | 0 | UA,WN,F9,AA |
| Sep 2024 | 281 | 43 | 0 | 0 | WN,UA,AA,F9 |
| Aug 2024 | 296 | 80 | 8 | 0 | AA,F9,WN,UA |
| Jul 2024 | 309 | 87 | 7 | 0 | AA,F9,UA,WN |
| Jun 2024 | 296 | 79 | 6 | 0 | AA,F9,UA,WN |
| May 2024 | 285 | 75 | 1 | 0 | AA,F9,UA,WN |
| Apr 2024 | 258 | 43 | 1 | 0 | AA,F9,UA,WN |
| Mar 2024 | 199 | 32 | 2 | 0 | AA,F9,UA,WN |
| Feb 2024 | 157 | 17 | 0 | 1 | AA,UA,WN |
| Jan 2024 | 198 | 46 | 5 | 0 | AA,F9,WN,UA |
Cancellation Rate
1.2%
70 of 6,006 flights
Diversion Rate
0.3%
20 of 6,006 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 →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See PHL and DEN 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–DEN.
Routes with a similar on-time rate
What the Data Says About PHL to DEN
15,213 tracked flights put the PHL to DEN pairing (Philadelphia to Denver) at a 80% on-time rate, squarely in line with the wider network. Delays that do occur run 75.2 minutes on average. Across the 1,558-mile route and its 21 carriers, the trailing 24 months show 1.2% cancelled and 0.3% diverted (6,006 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 56% - a 38-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.