DEN to ATW flight delays & on-time performance
Nonstop flights from Denver International Airport to Appleton International Airport · 883 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DEN or ATW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Denver (DEN) to Appleton (ATW) arrived on time 70% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 0.7% were cancelled, and 10% arrived an hour or more late.
- SkyWest Airlines was the most punctual airline here (74% on time); United Airlines was the least (57%).
- Departures scheduled around 5pm did best (70% on time); around 7pm did worst (63%).
- Wednesday was the most reliable day to fly (83% on time) and Thursday the least (56%).
- The largest source of delay minutes was late-arriving aircraft (41%).
Which airline is most on time from DEN to ATW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 74% | 1.0% | 14 min | 7.3% | 292 |
| Allegiant Air | 64% | 0.0% | 35 min | 21.3% | 47 |
| United Airlines | 57% | 0.0% | 27 min | 15.3% | 72 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5pm70%376 flights
- 7pm63%24 flights
- 8pm70%10 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday66%0.0% cancelled
- Tuesday79%0.0% cancelled
- Wednesday83%0.0% cancelled
- Thursday56%0.0% cancelled
- Friday60%1.6% cancelled
- Saturday73%1.9% cancelled
- Sunday75%1.5% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft41%
- Air traffic control & airport congestion31%
- Airline (crew, maintenance, cleaning, fueling)24%
- Extreme weather3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
DEN to ATW: common questions
- How often are DEN to ATW flights on time?
- 70% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Denver to Appleton cancelled?
- 0.7% of scheduled flights were cancelled (3 of 411).
- How long are typical delays?
- Across all flights the average arrival delay was 19 min (early arrivals count as zero). Flights that were late arrived 59 min behind schedule on average, and 10.3% of flights were an hour or more late.
- How long is taxi time at DEN?
- Flights on this route spent 24 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATW to DEN — 82% on time
More flights from Denver
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DEN → ATW, nonstop flights by US airlines that report to the DOT. How we calculate this.