Airports › Appleton (ATW) › September 2025
Airport month · September 2025
Appleton International in September 2025
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.
In September 2025, reporting carriers scheduled 509 domestic departures from Appleton International (ATW). 87.6% left less than 15 minutes late and 83.5% reached their destination on time; 0.0% were cancelled.
Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so ATW departures were 4.5 points above the national departure figure.
A year earlier, in September 2024, the airport had 510 departures with 83.9% leaving on time: a change of +3.7 points, with flights down 0%.
Flights arriving at ATW that month were on time 84.5% of the time (510 scheduled arrivals).
Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 38%, national aviation system 26% and extreme weather 18%.
- On time 83.5%
- Arrived 15+ minutes late 16.3%
- Cancelled 0.0%
- Diverted 0.2%
September 2025 against a year earlier, the airport's year and the nation
| Measure | Sep 2025 | Sep 2024 | ATW, 12 months to Jul 2026 | All reported flights, Sep 2025 |
|---|---|---|---|---|
| Departed on time | 87.6% | 83.9% | 78.0% | 83.1% |
| Arrived on time | 83.5% | 82.2% | 75.6% | 82.8% |
| Cancelled | 0.0% | 0.0% | 2.7% | 0.5% |
| Average departure delay (late minutes only) | 8.1 min | 12.0 min | 21.3 min | 12.2 min |
| Scheduled departures a day | 17 | 17 | 21 | 18,748 |
| Scheduled departures | 509 | 510 | 7,698 | 562,439 |
Airlines that month
| Reporting carrier | Flights | Share | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| OO SkyWest Airlines | 253 | 50% | 81.8% | 0.5 min | 0.0% |
| MQ Envoy Air | 146 | 29% | 87.0% | -5.6 min | 0.0% |
| G4 Allegiant Air | 80 | 16% | 76.3% | 1.7 min | 0.0% |
| DL Delta Air Lines | 30 | 6% | 100.0% | -14.4 min | 0.0% |
Busiest routes that month
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| ATW–ORD | Appleton to Chicago | 129 | 79.8% | 3.6 min | 0.0% |
| ATW–DTW | Appleton to Detroit | 90 | 91.1% | -5.0 min | 0.0% |
| ATW–MSP | Appleton to Minneapolis | 90 | 73.3% | 3.6 min | 0.0% |
| ATW–DEN | Appleton to Denver | 38 | 86.8% | 0.2 min | 0.0% |
| ATW–ATL | Appleton to Atlanta | 30 | 100.0% | -14.4 min | 0.0% |
| ATW–CLT | Appleton to Charlotte | 30 | 90.0% | -12.9 min | 0.0% |
| ATW–DFW | Appleton to Dallas/Fort Worth | 30 | 93.3% | -14.4 min | 0.0% |
| ATW–LAS | Appleton to Las Vegas | 13 | 84.6% | 5.4 min | 0.0% |
| ATW–AZA | Appleton to Phoenix | 12 | 100.0% | -23.0 min | 0.0% |
| ATW–SFB | Appleton to Sanford | 12 | 50.0% | 23.4 min | 0.0% |
| ATW–BNA | Appleton to Nashville | 9 | 66.7% | 6.0 min | 0.0% |
| ATW–PDX | Appleton to Portland | 9 | 100.0% | -13.6 min | 0.0% |
By scheduled departure hour
Delay causes
Questions and answers
How many flights left ATW on time in September 2025?
87.6% of 509 scheduled domestic departures left less than 15 minutes late, and 83.5% reached their destination on time. The national figures that month were 83.1% and 82.8%.
How does that compare with a year earlier?
In September 2024, 83.9% of 510 departures left on time and 0.0% were cancelled, against 87.6% and 0.0% in September 2025.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ATW · methodology · corrections.