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Route · PIR → DEN · 2020–2025 BTS data

Pierre to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PIR to DEN (Pierre to Denver) ranks #4236 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.9%
On-time
+6.9 pts
vs US avg
122 min
Delay when late
1,380
Flights
#4236 of 4927
Corpus placement

Cancelled

3.0%

Best Month

Apr 2020 98%

Worst Month

Aug 2025 70%

Distance

385 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 55 9 1 0 OO
Nov 2025 68 9 2 0 OO
Oct 2025 70 10 0 0 OO
Sep 2025 51 11 2 0 OO
Aug 2025 53 16 1 0 OO
Dec 2021 31 5 3 0 OO
Nov 2021 51 7 0 0 OO
Oct 2021 53 9 2 0 OO
Sep 2021 52 8 1 0 OO
Aug 2021 53 11 1 0 OO
Jul 2021 53 14 5 0 OO
Jun 2021 51 8 0 0 OO
May 2021 53 8 0 0 OO
Apr 2021 52 2 1 0 OO
Mar 2021 53 3 6 0 OO
Feb 2021 48 11 1 0 OO
Jan 2021 53 5 2 0 OO
Dec 2020 53 8 0 0 OO
Nov 2020 52 2 0 0 OO
Oct 2020 53 9 2 0 OO
Sep 2020 50 3 0 0 OO
Aug 2020 51 8 0 0 OO
Apr 2020 52 1 1 0 OO
Mar 2020 58 6 7 0 OO

PIR–DEN seasonal on-time pattern

Best: April (97.1%) · weakest: July (73.6%)

70%80%90%100% JanFebMarAprMayJunJulAugSepOctNovDec 84.2%

Strongest calendar month

April

97.1% on-time · ~52 flights/mo

Busiest calendar month

October

~59 flights/mo avg

Weakest calendar month

July

73.6% on-time · ~53 flights/mo

Cancellation Rate

3.0%

38 of 1,269 flights

Diversion Rate

0.0%

0 of 1,269 flights

What the Data Says About PIR to DEN

Pierre to Denver (PIR to DEN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.9% on-time rate across 1,380 flights, with delays that do happen averaging 122.3 minutes. The corridor runs roughly 385 miles and is served by 1 carrier. Over the most recent 24 months, 38 of 1,269 flights were cancelled (3.0%) and 0 diverted (0.0%).

The monthly split is wide on this route: Apr 2020 posted the strongest performance at 98% on-time, while Aug 2025 came in at just 70% - a 28-point swing worth factoring into travel timing.

On the multi-year calendar, PIR–DEN peaks in April at 97.1% on-time while October carries the heaviest traffic (~59 flights per month) ; the softest month is July at 73.6%, a 23.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PIR to DEN rank among US routes by traffic?
According to PlainFlights' route traffic ranking, PIR to DEN ranks #4236 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 PIR to DEN?
Flights from Pierre to Denver have a 85.9% on-time rate based on 1,380 flights. The average delay is 122.3 minutes. The best recent month was Apr 2020 with 98% on-time.
What is the cancellation rate for PIR to DEN?
Over the last 24 months, 3.0% of flights on this route were cancelled (38 of 1,269 flights) and 0.0% were diverted.
How far is the flight from PIR to DEN?
The flight distance from Pierre (PIR) to Denver (DEN) is approximately 385 miles. This route is served by 1 carrier.
When is the best time to fly from PIR to DEN?
The best recent month for on-time performance was Apr 2020 (98% on-time). The worst was Aug 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 PIR–DEN data

PIR–DEN runs 6.9 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PIR and DEN airport profiles: delay causes and top routes differ even on the same corridor. PIR airport
  • If your dates flex, April (97.1% on-time) beats July (73.6%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.9% 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.