Airport reliability
Appleton (ATW) on-time performance
How reliably flights leave Appleton, WI (ATW) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Appleton, WI7,680 departures in 12 months
- Departures on time
- 75.5% U.S. average 75.6%
- Cancelled
- 2.6% U.S. average 1.9%
- 60+ minutes late
- 10.2% U.S. average 8.1%
- Scheduled departures
- 7,680 12 months
What this means
ATW departures ran below the U.S. average.
- 75.5% of the 7,680 scheduled departures from Appleton (ATW) arrived at their destination on time, about the same as the U.S. average of 75.6%.
- 2.6% of departures were cancelled (U.S. average 1.9%), and 10.2% arrived an hour or more late.
- Flights arriving at ATW were on time 72.8% of the time.
- Among airlines with at least 300 departures, Delta Air Lines was the most punctual from ATW (81.1%) and SkyWest Airlines the least (70.1%).
- Over the last 3 years, October was the most reliable month for departures from ATW (83.1% on time) and December the least reliable (68.6%).
- Cancellations peaked in March, when 4.8% of flights were cancelled.
- Flights scheduled to depart 7 am to 8 am were the most punctual (86.3% on time); flights scheduled to depart 5 pm to 6 pm were the least (54.5%).
Airlines at ATW
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| United Airlines | 88.2% | 1.0% | 2.0% | 54 min | 102 |
| Delta Air Lines | 81.1% | 1.8% | 6.9% | 112 min | 434 |
| Allegiant Air | 80.8% | 1.3% | 7.9% | 119 min | 1,751 |
| Envoy AirSold as American Eagle | 79.2% | 3.0% | 7.5% | 77 min | 1,828 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 70.1% | 3.1% | 13.5% | 101 min | 3,351 |
| PSA AirlinesSold as American Eagle | 67.8% | 5.1% | 12.1% | 95 min | 214 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time ATW average 75.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 82.4% | 614 |
| Departing 6 am to 7 am | 80.6% | 1,307 |
| Departing 7 am to 8 am | 86.3% | 830 |
| Departing 8 am to 9 am | 82.6% | 501 |
| Departing 9 am to 10 am | 80.9% | 372 |
| Departing 10 am to 11 am | 76.3% | 299 |
| Departing 11 am to noon | 75.2% | 529 |
| Departing noon to 1 pm | 71.2% | 507 |
| Departing 1 pm to 2 pm | 72.0% | 157 |
| Departing 2 pm to 3 pm | 72.7% | 473 |
| Departing 3 pm to 4 pm | 74.0% | 350 |
| Departing 4 pm to 5 pm | 68.2% | 548 |
| Departing 5 pm to 6 pm | 54.5% | 455 |
| Departing 6 pm to 7 pm | 67.6% | 614 |
| Departing 7 pm to 8 pm | 49.4% | 81 |
| Departing 8 pm to 9 pm | Insufficient sample | 28 |
| Departing 9 pm to 10 pm | Insufficient sample | 15 |
Best and worst months at ATW
Share of scheduled flights on time 12-month average 75.5%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 69.2% | 1,632 |
| February | 77.9% | 1,596 |
| March | 72.5% | 1,972 |
| April | 78.2% | 1,959 |
| May | 82.2% | 1,914 |
| June | 77.9% | 1,806 |
| July | 74.9% | 1,874 |
| August | 78.1% | 1,673 |
| September | 82.5% | 1,427 |
| October | 83.1% | 1,624 |
| November | 78.3% | 1,601 |
| December | 68.6% | 1,698 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 83.5% | 509 |
| Oct 2025 | 81.8% | 621 |
| Nov 2025 | 73.4% | 593 |
| Dec 2025 | 64.0% | 617 |
| Jan 2026 | 67.0% | 612 |
| Feb 2026 | 77.1% | 617 |
| Mar 2026 | 64.7% | 797 |
| Apr 2026 | 73.7% | 809 |
| May 2026 | 84.0% | 720 |
| Jun 2026 | 82.6% | 592 |
| Jul 2026 | 80.1% | 617 |
| Aug 2026 | 77.6% | 576 |
Busiest routes from ATW
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 67.6% | 4.6% | 2 | 2,434 |
| Detroit (DTW) | 77.4% | 1.4% | 2 | 1,042 |
| Minneapolis (MSP) | 72.7% | 2.0% | 1 | 866 |
| Dallas/Fort Worth (DFW) | 87.0% | 1.5% | 1 | 455 |
| Denver (DEN) | 80.2% | 1.2% | 3 | 410 |
| Charlotte (CLT) | 77.7% | 4.1% | 2 | 394 |
| Atlanta (ATL) | 80.1% | 2.2% | 1 | 366 |
| Phoenix (AZA) | 80.8% | 0.8% | 1 | 261 |
| Sanford (SFB) | 75.8% | 1.2% | 1 | 256 |
| Punta Gorda (PGD) | 83.5% | 2.1% | 1 | 243 |
| St. Petersburg (PIE) | 78.6% | 1.1% | 1 | 182 |
| Las Vegas (LAS) | 79.5% | 0.6% | 1 | 171 |
| Fort Lauderdale (FLL) | 76.0% | 1.0% | 1 | 96 |
| Gulf Shores (GUF) | 90.6% | 2.1% | 1 | 96 |
| Nashville (BNA) | 77.5% | 1.1% | 1 | 89 |
| Sarasota/Bradenton (SRQ) | 90.0% | 1.4% | 1 | 70 |
| Orlando (MCO) | 83.3% | 3.0% | 1 | 66 |
| Fort Myers (RSW) | 76.9% | 1.9% | 1 | 52 |

Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Appleton, WI (ATW) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.