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Route · BHM → DEN · 2020–2025 BTS data

Birmingham to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), BHM to DEN (Birmingham to Denver) ranks #2088 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

81.3%
On-time
+2.3 pts
vs US avg
70 min
Delay when late
5,958
Flights
#2088 of 4927
Corpus placement

Cancelled

0.4%

Best Month

Oct 2024 95%

Worst Month

Jun 2025 70%

Distance

1,083 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 93 16 0 0 WN,OO
Nov 2025 88 7 0 0 OO,WN
Oct 2025 93 12 0 0 OO,WN
Sep 2025 89 13 0 0 WN,OO
Aug 2025 93 22 0 2 OO,WN
Jul 2025 93 21 0 2 OO,WN
Jun 2025 90 27 0 1 OO,WN
May 2025 93 21 0 2 OO,WN
Apr 2025 90 16 0 0 OO,WN
Mar 2025 93 10 1 0 OO,WN
Feb 2025 84 9 0 1 OO,WN
Jan 2025 93 16 4 0 OO,WN
Dec 2024 93 15 0 0 OO,WN
Nov 2024 88 16 2 0 OO,WN
Oct 2024 93 5 0 0 OO,WN
Sep 2024 90 5 0 1 WN,OO
Aug 2024 93 11 0 1 WN,OO
Jul 2024 93 16 0 0 OO,WN
Jun 2024 90 18 0 1 OO,WN
May 2024 90 23 0 0 OO,WN
Apr 2024 86 8 0 0 OO,WN
Mar 2024 88 5 1 0 OO,WN
Feb 2024 84 16 0 0 OO,WN
Jan 2024 93 16 1 0 WN,OO

BHM–DEN seasonal on-time pattern

Best: March (87.6%) · weakest: June (70.5%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 81.9%

Strongest calendar month

March

87.6% on-time · ~86 flights/mo

Busiest calendar month

May

~93 flights/mo avg

Weakest calendar month

June

70.5% on-time · ~88 flights/mo

Cancellation Rate

0.4%

9 of 2,173 flights

Diversion Rate

0.5%

11 of 2,173 flights

Origin-hub reliability standing

Mid-pack among BHM departures

From BHM, this corridor sits with 16 other 75–85% on-time routes out of 18 tracked departures, not the hub's reliability leaders (2 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #2599 of 4927.

What the Data Says About BHM to DEN

5,958 tracked flights put the BHM to DEN pairing (Birmingham to Denver) at a 81.3% on-time rate, squarely in line with the wider network. Delays that do occur run 69.8 minutes on average. Across the 1,083-mile route and its 6 carriers, the trailing 24 months show 0.4% cancelled and 0.5% diverted (2,173 flights sampled).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Jun 2025 came in at just 70% - a 25-point swing worth factoring into travel timing.

On the multi-year calendar, BHM–DEN peaks in March at 87.6% on-time while May carries the heaviest traffic (~93 flights per month) ; the softest month is June at 70.5%, a 17.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does BHM to DEN rank among US routes by traffic?
According to PlainFlights' route traffic ranking, BHM to DEN ranks #2088 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 BHM to DEN?
Flights from Birmingham to Denver have a 81.3% on-time rate based on 5,958 flights. The average delay is 69.8 minutes. The best recent month was Oct 2024 with 95% on-time.
What is the cancellation rate for BHM to DEN?
Over the last 24 months, 0.4% of flights on this route were cancelled (9 of 2,173 flights) and 0.5% were diverted.
How far is the flight from BHM to DEN?
The flight distance from Birmingham (BHM) to Denver (DEN) is approximately 1,083 miles. This route is served by 6 carriers.
When is the best time to fly from BHM to DEN?
The best recent month for on-time performance was Oct 2024 (95% on-time). The worst was Jun 2025 (70% on-time). Consider booking during months with historically better performance.

Airports on this route

Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Using BHM–DEN data

BHM–DEN is mid-pack at 81.3% on-time; month and carrier mix move more than the corridor headline.

  • Compare BHM and DEN airport profiles: delay causes and top routes differ even on the same corridor. BHM airport
  • If your dates flex, March (87.6% on-time) beats June (70.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 81.3% 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.