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Route · FAT → DEN · 2020–2025 BTS data

Fresno to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), FAT to DEN (Fresno to Denver) ranks #1454 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.3%
On-time
+6.3 pts
vs US avg
83 min
Delay when late
8,392
Flights
#1454 of 4927
Corpus placement

Cancelled

0.3%

Best Month

Oct 2024 97%

Worst Month

May 2025 79%

Distance

844 mi

Carriers

15

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 125 13 0 1 WN,UA,OO
Nov 2025 119 11 0 0 OO,UA,WN
Oct 2025 124 8 0 0 OO,UA,WN
Sep 2025 120 10 0 0 UA,WN,OO
Aug 2025 124 24 0 0 OO,WN,UA
Jul 2025 124 24 1 0 OO,UA,WN
Jun 2025 120 23 0 1 OO,UA,WN
May 2025 124 26 2 1 OO,UA,WN
Apr 2025 120 18 0 1 OO,UA,WN
Mar 2025 124 11 0 0 OO,UA,WN
Feb 2025 110 17 0 0 OO,UA,WN
Jan 2025 122 12 0 0 OO,UA,WN
Dec 2024 126 18 0 0 OO,UA,WN
Nov 2024 119 11 1 0 OO,UA,WN
Oct 2024 124 4 0 0 UA,OO,WN
Sep 2024 120 16 0 1 WN,OO,UA
Aug 2024 123 9 0 1 WN,OO,UA
Jul 2024 124 23 0 2 OO,UA,WN
Jun 2024 119 22 1 3 OO,UA,WN
May 2024 124 21 0 0 OO,UA,WN
Apr 2024 120 13 0 0 OO,WN
Mar 2024 121 9 3 1 OO,WN
Feb 2024 106 18 1 1 OO,WN
Jan 2024 116 18 0 0 WN,OO,UA

FAT–DEN seasonal on-time pattern

Best: October (88.7%) · weakest: June (79.5%)

75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 84.5%

Strongest calendar month

October

88.7% on-time · ~124 flights/mo

Busiest calendar month

August

~124 flights/mo avg

Weakest calendar month

June

79.5% on-time · ~112 flights/mo

Cancellation Rate

0.3%

9 of 2,898 flights

Diversion Rate

0.4%

13 of 2,898 flights

Origin-hub reliability standing

Among FAT's stronger departures

FAT → DEN posts a 85.3% on-time rate, landing in the ≥85% band with 5 of 11 BTS-tracked routes leaving Fresno. The same hub also shows 6 mid-band and 0 challenged departures · fleet-wide on-time rank #1113 of 4927 (highest on-time = #1).

What the Data Says About FAT to DEN

Fresno to Denver (FAT to DEN) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.3% on-time rate across 8,392 flights, with delays that do happen averaging 82.7 minutes. The corridor runs roughly 844 miles and is served by 15 carriers. Over the most recent 24 months, 9 of 2,898 flights were cancelled (0.3%) and 13 diverted (0.4%).

The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while May 2025 came in at just 79% - a 18-point swing worth factoring into travel timing.

On the multi-year calendar, FAT–DEN peaks in October at 88.7% on-time while August carries the heaviest traffic (~124 flights per month) ; the softest month is June at 79.5%, a 9.2-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does FAT to DEN rank among US routes by traffic?
According to PlainFlights' route traffic ranking, FAT to DEN ranks #1454 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 FAT to DEN?
Flights from Fresno to Denver have a 85.3% on-time rate based on 8,392 flights. The average delay is 82.7 minutes. The best recent month was Oct 2024 with 97% on-time.
What is the cancellation rate for FAT to DEN?
Over the last 24 months, 0.3% of flights on this route were cancelled (9 of 2,898 flights) and 0.4% were diverted.
How far is the flight from FAT to DEN?
The flight distance from Fresno (FAT) to Denver (DEN) is approximately 844 miles. This route is served by 15 carriers.
When is the best time to fly from FAT to DEN?
The best recent month for on-time performance was Oct 2024 (97% on-time). The worst was May 2025 (79% 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 FAT–DEN data

FAT–DEN runs 6.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare FAT and DEN airport profiles: delay causes and top routes differ even on the same corridor. FAT airport
  • If your dates flex, October (88.7% on-time) beats June (79.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.3% 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.