Route · BWI → DEN · 2020–2025 BTS data
Baltimore to Denver
The BWI–DEN corridor (Baltimore, MD → Denver, CO) runs behind the national average, served by 16 carriers across roughly 1,491 miles.
Data updated 2026-06-13
- 78.5%
- On-time
- -0.5 pts
- vs US avg
- 62 min
- Delay when late
- 16,251
- Flights
Cancelled
1.0%
Best Month
Oct 2024 90%
Worst Month
Dec 2025 63%
Distance
1,491 mi
Carriers
16
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 243 | 91 | 2 | 2 | WN,UA |
| Nov 2025 | 237 | 38 | 2 | 0 | UA,WN |
| Oct 2025 | 269 | 29 | 0 | 1 | UA,WN,F9 |
| Sep 2025 | 266 | 43 | 0 | 0 | UA,WN,F9 |
| Aug 2025 | 282 | 68 | 1 | 2 | WN,F9,UA |
| Jul 2025 | 317 | 110 | 9 | 2 | UA,WN,F9 |
| Jun 2025 | 301 | 98 | 2 | 2 | UA,WN,F9 |
| May 2025 | 243 | 60 | 1 | 2 | UA,WN,F9 |
| Apr 2025 | 230 | 66 | 0 | 0 | F9,UA,WN |
| Mar 2025 | 241 | 36 | 1 | 0 | UA,WN,F9 |
| Feb 2025 | 185 | 40 | 0 | 0 | UA,WN |
| Jan 2025 | 210 | 35 | 10 | 0 | UA,WN,F9 |
| Dec 2024 | 247 | 35 | 0 | 1 | F9,UA,WN |
| Nov 2024 | 249 | 35 | 2 | 0 | UA,WN,F9 |
| Oct 2024 | 277 | 27 | 1 | 0 | UA,WN,F9 |
| Sep 2024 | 268 | 42 | 0 | 0 | WN,UA,F9 |
| Aug 2024 | 282 | 93 | 5 | 4 | F9,WN,UA |
| Jul 2024 | 321 | 95 | 6 | 0 | F9,UA,WN |
| Jun 2024 | 305 | 93 | 1 | 1 | F9,UA,WN |
| May 2024 | 306 | 93 | 2 | 2 | F9,UA,WN |
| Apr 2024 | 259 | 79 | 1 | 1 | F9,UA,WN |
| Mar 2024 | 230 | 43 | 6 | 0 | UA,WN |
| Feb 2024 | 210 | 30 | 0 | 1 | UA,WN |
| Jan 2024 | 239 | 47 | 9 | 0 | F9,WN,UA |
Cancellation Rate
1.0%
61 of 6,217 flights
Diversion Rate
0.3%
21 of 6,217 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See BWI 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 BWI–DEN.
Routes with a similar on-time rate
What the Data Says About BWI to DEN
16,251 tracked flights put the BWI to DEN pairing (Baltimore to Denver) at a 78.5% on-time rate, squarely in line with the wider network. Delays that do occur run 61.7 minutes on average. Across the 1,491-mile route and its 16 carriers, the trailing 24 months show 1.0% cancelled and 0.3% diverted (6,217 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 63% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from BWI to DEN? ▼
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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.