Route · ATW → DEN · 2020–2025 BTS data
Appleton to Denver
The ATW–DEN corridor (Appleton, WI → Denver, CO) runs behind the national average, served by 3 carriers across roughly 883 miles.
Data updated 2026-06-13
- 76.6%
- On-time
- -2.4 pts
- vs US avg
- 88 min
- Delay when late
- 1,869
- Flights
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 |
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.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See ATW and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATW–DEN.
Routes with a similar on-time rate
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.
Frequently Asked Questions
How often are flights delayed from ATW to DEN? ▼
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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.
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.