PlainFlights

Route · DEN → BWI · 2020–2025 BTS data

Denver to Baltimore

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to BWI (Denver to Baltimore) ranks #521 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.3%
On-time
-2.7 pts
vs US avg
56 min
Delay when late
16,408
Flights
#521 of 4927
Corpus placement

Cancelled

1.0%

Best Month

Dec 2024 87%

Worst Month

Jul 2025 62%

Distance

1,491 mi

Carriers

16

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 240 51 2 0 WN,UA
Nov 2025 239 41 3 0 UA,WN
Oct 2025 269 36 0 0 UA,WN,F9
Sep 2025 265 55 0 0 UA,WN,F9
Aug 2025 282 78 3 1 WN,F9,UA
Jul 2025 317 120 8 4 UA,WN,F9
Jun 2025 305 95 3 4 UA,WN,F9
May 2025 268 84 0 2 UA,WN,F9
Apr 2025 249 54 0 1 F9,UA,WN
Mar 2025 235 45 1 3 UA,WN,F9
Feb 2025 184 34 1 1 UA,WN
Jan 2025 206 47 7 0 UA,WN,F9
Dec 2024 248 33 0 0 F9,UA,WN
Nov 2024 247 43 2 0 UA,WN,F9
Oct 2024 275 40 0 0 UA,WN,F9
Sep 2024 267 38 0 0 WN,UA,F9
Aug 2024 282 75 4 6 F9,WN,UA
Jul 2024 322 85 5 2 F9,UA,WN
Jun 2024 305 89 1 0 F9,UA,WN
May 2024 298 80 3 1 F9,UA,WN
Apr 2024 250 44 0 0 F9,UA,WN
Mar 2024 222 43 7 0 UA,WN
Feb 2024 201 55 0 0 UA,WN
Jan 2024 237 69 11 0 F9,WN,UA

DEN–BWI seasonal on-time pattern

Best: November (84.0%) · weakest: June (68.1%)

65%70%75%80%85% JanFebMarAprMayJunJulAugSepOctNovDec 76.9%

Strongest calendar month

November

84.0% on-time · ~225 flights/mo

Busiest calendar month

July

~264 flights/mo avg

Weakest calendar month

June

68.1% on-time · ~231 flights/mo

Cancellation Rate

1.0%

61 of 6,213 flights

Diversion Rate

0.4%

25 of 6,213 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

DEN - Denver

Full on-time, delay-cause, and seasonal performance for Denver, CO.

DEN on-time profile

BWI - Baltimore

Full on-time, delay-cause, and seasonal performance for Baltimore, MD.

BWI on-time profile

Compare the two airports

See DEN and BWI side by side on delays, cancellations, and reliability.

Compare DEN vs BWI

Origin-hub reliability standing

Mid-pack among DEN departures

From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Baltimore · fleet on-time rank #4241 of 4927.

What the Data Says About DEN to BWI

The Denver to Baltimore corridor (DEN to BWI) posts a 76.3% on-time rate on the lower edge of the average band, based on 16,408 tracked flights. Late flights run 56.3 minutes behind on average. 16 carriers cover the 1,491-mile route; over the last 24 months, 61 of 6,213 flights were cancelled (1.0%) and 0.4% diverted.

The monthly split is wide on this route: Dec 2024 posted the strongest performance at 87% on-time, while Jul 2025 came in at just 62% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, DEN–BWI peaks in November at 84.0% on-time while July carries the heaviest traffic (~264 flights per month) ; the softest month is June at 68.1%, a 15.9-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to BWI rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, DEN to BWI ranks #521 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from DEN to BWI? ▼
Flights from Denver to Baltimore have a 76.3% on-time rate based on 16,408 flights. The average delay is 56.3 minutes. The best recent month was Dec 2024 with 87% on-time.
What is the cancellation rate for DEN to BWI? ▼
Over the last 24 months, 1.0% of flights on this route were cancelled (61 of 6,213 flights) and 0.4% were diverted.
How far is the flight from DEN to BWI? ▼
The flight distance from Denver (DEN) to Baltimore (BWI) is approximately 1,491 miles. This route is served by 16 carriers.
When is the best time to fly from DEN to BWI? ▼
The best recent month for on-time performance was Dec 2024 (87% on-time). The worst was Jul 2025 (62% on-time). Consider booking during months with historically better performance.

Airports on this route

DEN Airport

Denver
BWI Airport

Baltimore
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.

Using DEN–BWI data

DEN–BWI is mid-pack at 76.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare DEN and BWI airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, November (84.0% on-time) beats June (68.1%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.3% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

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.