FlightRecord

Appleton International Airport (ATW): Delays & On-Time Performance

Data through July 2026

Appleton International Airport (ATW) is a tale of two seasons: departures ran 89% on-time in October 2024 but sank to 69% in December 2025. Across the year it averages 81% against a national 78%, over roughly 21 departures a day to 26 destinations.

Departures on-time
81%
left <15 min late
Avg dep delay
20 min
Arrivals on-time
76%
Cancelled
2.0%
Destinations
26
nonstop
Airlines
7

Plan your departure from ATW

The choices most likely to improve your odds, based on this airport’s historical record.

Best departure time
Around 5 a.m.
90% on-time
Best day to fly
Saturday
80% on-time
Most reliable airline here
Delta Air Lines
89% on-time from ATW
Cancellation risk
2.0%
above the US average

Monthly on-time trend

Monthly departure on-time percentage at ATW50%75%100%August 2024: 82% on-time (503 flights)82Aug 2024September 2024: 84% on-time (510 flights)84October 2024: 89% on-time (563 flights)89November 2024: 84% on-time (554 flights)84Nov 2024December 2024: 75% on-time (605 flights)75January 2025: 80% on-time (559 flights)80February 2025: 81% on-time (544 flights)81Feb 2025March 2025: 75% on-time (645 flights)75April 2025: 85% on-time (636 flights)85May 2025: 86% on-time (662 flights)86May 2025June 2025: 80% on-time (694 flights)80July 2025: 76% on-time (725 flights)76August 2025: 86% on-time (594 flights)86Aug 2025September 2025: 88% on-time (509 flights)88October 2025: 86% on-time (621 flights)86November 2025: 82% on-time (593 flights)82Nov 2025December 2025: 69% on-time (617 flights)69January 2026: 70% on-time (612 flights)70February 2026: 80% on-time (617 flights)80Feb 2026March 2026: 75% on-time (797 flights)75April 2026: 80% on-time (809 flights)80May 2026: 84% on-time (720 flights)84May 2026June 2026: 82% on-time (592 flights)82July 2026: 81% on-time (617 flights)81

Best time of day to depart from ATW

On-time percentage by scheduled departure hour at ATW5 a.m.: 90% on-time (1,226 flights)56 a.m.: 88% on-time (2,854 flights)67 a.m.: 89% on-time (1,470 flights)78 a.m.: 84% on-time (1,421 flights)89 a.m.: 83% on-time (545 flights)910 a.m.: 82% on-time (385 flights)1011 a.m.: 79% on-time (1,053 flights)1112 p.m.: 77% on-time (861 flights)121 p.m.: 73% on-time (489 flights)132 p.m.: 75% on-time (713 flights)143 p.m.: 73% on-time (1,076 flights)154 p.m.: 72% on-time (1,253 flights)165 p.m.: 73% on-time (1,159 flights)176 p.m.: 71% on-time (766 flights)187 p.m.: 59% on-time (101 flights)19scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday76%22 min
Tuesday79%21 min
Wednesday78%20 min
Thursday78%22 min
Friday76%23 min
Saturdaybest80%20 min
Sunday77%22 min

Next: compare the busiest routes from ATW ↓

Busiest routes from ATW

Compare airlines departing ATW ↓

Where flights into ATW come from

RouteFlights/12moOn-timeAvg delay
ORD (Chicago) → ATW2,42971%23 min
DTW (Detroit) → ATW1,06977%21 min
MSP (Minneapolis) → ATW91780%20 min
DFW (Dallas/Fort Worth) → ATW42578%14 min
DEN (Denver) → ATW41173%18 min
CLT (Charlotte) → ATW39479%15 min
ATL (Atlanta) → ATW36676%18 min
AZA (Phoenix) → ATW26179%17 min

Most reliable routes

  1. ATW → DFW85%
  2. ATW → ATL85%
  3. ATW → PGD83%
  4. ATW → AZA82%
  5. ATW → LAS82%

Most delay-prone routes

  1. ATW → ORD71%
  2. ATW → MSP75%
  3. ATW → PIE78%
  4. ATW → DEN80%
  5. ATW → DTW80%

What causes delays at ATW

Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing ATW.

  • Late-arriving aircraft19%
  • Airline operations47%
  • National airspace system21%
  • Weather13%

Alternative airports near Appleton

Other airports within 120 miles, compared on departure reliability.

Compare the airport-level record first, then check the exact route you plan to book.

Airline performance at ATW

AirlineOn-time departuresAvg delayFlights
Delta Air Lines89%16 min796
Envoy Air84%13 min3,077
Allegiant Air82%19 min3,341
SkyWest Airlines78%23 min7,945
PSA Airlines74%24 min183

Frequently asked questions

How often are flights delayed at ATW?
19% of departures from Appleton International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 20 minutes. The national on-time average over the same period was 78%.
What is the best time of day to depart from ATW?
Flights scheduled around 5 a.m. depart on time 90% of the time at ATW, versus 59% around 7 p.m.. Booking before noon is the usual rule of thumb here.
What is the worst month for delays at ATW?
In this dataset, December 2025 was the weakest month at ATW, with 69% of departures on time.
How often are flights cancelled at ATW?
2% of scheduled departures from ATW were cancelled in this period, compared with a national rate of 1.6%.

Popular route pages from this airport

Related guides

Based on 15,430 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.