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Route · DEN → GUC · 2020–2025 BTS data

Denver to Gunnison

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to GUC (Denver to Gunnison) ranks #3009 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

82.5%
On-time
+3.5 pts
vs US avg
104 min
Delay when late
3,742
Flights
#3009 of 4927
Corpus placement

Cancelled

0.8%

Best Month

Mar 2025 94%

Worst Month

Jun 2025 73%

Distance

152 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 75 18 0 0 OO
Nov 2025 59 7 1 1 OO
Oct 2025 87 11 0 0 OO
Sep 2025 90 14 0 0 OO
Aug 2025 93 21 0 2 OO
Jul 2025 93 23 1 0 OO
Jun 2025 89 24 0 0 OO
May 2025 72 15 1 0 OO
Apr 2025 60 14 0 0 OO
Mar 2025 96 6 0 1 OO
Feb 2025 86 18 2 0 OO
Jan 2025 93 18 0 0 OO
Dec 2024 75 5 0 0 OO
Nov 2024 59 9 4 0 OO
Oct 2024 62 4 0 1 OO
Sep 2024 63 4 0 0 OO
Aug 2024 67 15 0 0 OO
Jul 2024 66 12 0 0 OO
Jun 2024 65 13 0 0 OO
May 2024 41 7 0 1 OO
Apr 2024 38 5 0 0 OO
Mar 2024 62 8 1 1 OO
Feb 2024 58 12 1 1 OO
Jan 2024 62 16 2 0 OO

DEN–GUC seasonal on-time pattern

Best: September (88.7%) · weakest: February (76.2%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 80.1%

Strongest calendar month

September

88.7% on-time · ~59 flights/mo

Busiest calendar month

June

~75 flights/mo avg

Weakest calendar month

February

76.2% on-time · ~65 flights/mo

Cancellation Rate

0.8%

13 of 1,711 flights

Diversion Rate

0.5%

8 of 1,711 flights

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: Gunnison · fleet on-time rank #2134 of 4927.

What the Data Says About DEN to GUC

Bureau of Transportation Statistics records show Denver to Gunnison (DEN to GUC) running a 82.5% on-time rate over 3,742 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 104.0 minutes. The 152-mile corridor is served by 1 carrier, and over the last 24 months 0.8% of 1,711 flights were cancelled, 0.5% diverted.

The monthly split is wide on this route: Mar 2025 posted the strongest performance at 94% on-time, while Jun 2025 came in at just 73% - a 21-point swing worth factoring into travel timing.

On the multi-year calendar, DEN–GUC peaks in September at 88.7% on-time while June carries the heaviest traffic (~75 flights per month) ; the softest month is February at 76.2%, a 12.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does DEN to GUC rank among US routes by traffic?
According to PlainFlights' route traffic ranking, DEN to GUC ranks #3009 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 GUC?
Flights from Denver to Gunnison have a 82.5% on-time rate based on 3,742 flights. The average delay is 104.0 minutes. The best recent month was Mar 2025 with 94% on-time.
What is the cancellation rate for DEN to GUC?
Over the last 24 months, 0.8% of flights on this route were cancelled (13 of 1,711 flights) and 0.5% were diverted.
How far is the flight from DEN to GUC?
The flight distance from Denver (DEN) to Gunnison (GUC) is approximately 152 miles. This route is served by 1 carrier.
When is the best time to fly from DEN to GUC?
The best recent month for on-time performance was Mar 2025 (94% on-time). The worst was Jun 2025 (73% 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 DEN–GUC data

DEN–GUC runs 3.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare DEN and GUC airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
  • If your dates flex, September (88.7% on-time) beats February (76.2%) on this corridor. Seasonal chart
  • 4 other routes post a similar 82.5% 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.