PlainFlights

Route · ATW → DEN · 2020–2025 BTS data

Appleton to Denver

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATW to DEN (Appleton to Denver) ranks #3897 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.6%
On-time
-2.4 pts
vs US avg
88 min
Delay when late
1,869
Flights
#3897 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Jul 2025 65%

Worst Month

Jul 2025 65%

Distance

883 mi

Carriers

3

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 10 0 0 OO
Oct 2025 39 9 0 0 OO,G4
Sep 2025 38 5 0 0 OO,G4
Aug 2025 41 5 0 0 OO,G4
Jul 2025 62 22 0 0 OO,G4
Jun 2025 41 9 0 0 OO,G4
May 2025 34 11 1 0 OO,G4
Apr 2025 35 4 0 0 G4,OO
Mar 2025 31 6 0 0 OO
Jan 2025 31 8 0 0 OO
Dec 2024 31 10 1 0 OO
Nov 2024 30 6 0 0 OO
Oct 2024 39 5 0 0 G4,OO
Sep 2024 39 2 0 0 OO,G4
Aug 2024 40 10 0 1 G4,OO
Jul 2024 39 5 0 0 G4,OO
Jun 2024 39 4 0 0 G4,OO
May 2024 40 8 0 0 G4,OO
Apr 2024 38 1 1 1 G4,OO
Mar 2024 39 6 2 0 G4,OO
Jan 2024 32 10 1 0 G4,OO
Dec 2023 35 5 0 0 OO,G4
Nov 2023 38 8 0 0 G4,OO
Oct 2023 40 8 0 0 G4,OO

ATW–DEN seasonal on-time pattern

Best: September (86.4%) · weakest: December (64.0%)

60%65%70%75%80%85%90% JanMarAprMayJunJulAugSepOctNovDec 64%

Strongest calendar month

September

86.4% on-time · ~37 flights/mo

Busiest calendar month

July

~43 flights/mo avg

Weakest calendar month

December

64.0% on-time · ~33 flights/mo

Cancellation Rate

0.7%

6 of 902 flights

Diversion Rate

0.2%

2 of 902 flights

Explore origin & destination

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

ATW - Appleton

Full on-time, delay-cause, and seasonal performance for Appleton, WI.

ATW on-time profile

DEN - Denver

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

DEN on-time profile

Compare the two airports

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

Compare ATW vs DEN

Origin-hub reliability standing

Mid-pack among ATW departures

From ATW, this corridor sits with 2 other 75–85% on-time routes out of 7 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #4172 of 4927.

What the Data Says About ATW to DEN

The Appleton to Denver corridor (ATW to DEN) posts a 76.6% on-time rate on the lower edge of the average band, based on 1,869 tracked flights. Late flights run 87.5 minutes behind on average. 3 carriers cover the 883-mile route; over the last 24 months, 6 of 902 flights were cancelled (0.7%) and 0.2% diverted.

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, ATW–DEN peaks in September at 86.4% on-time while July carries the heaviest traffic (~43 flights per month) ; the softest month is December at 64.0%, a 22.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does ATW to DEN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, ATW to DEN ranks #3897 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 ATW to DEN? ▼
Flights from Appleton to Denver have a 76.6% on-time rate based on 1,869 flights. The average delay is 87.5 minutes. The best recent month was Jul 2025 with 65% on-time.
What is the cancellation rate for ATW to DEN? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (6 of 902 flights) and 0.2% were diverted.
How far is the flight from ATW to DEN? ▼
The flight distance from Appleton (ATW) to Denver (DEN) is approximately 883 miles. This route is served by 3 carriers.

Airports on this route

ATW Airport

Appleton
DEN Airport

Denver
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 ATW–DEN data

ATW–DEN is mid-pack at 76.6% on-time; month and carrier mix move more than the corridor headline.

  • Compare ATW and DEN airport profiles: delay causes and top routes differ even on the same corridor. ATW airport
  • If your dates flex, September (86.4% on-time) beats December (64.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.6% 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.