FlightRecord

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

Data through May 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 22 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

Monthly on-time trend

Monthly departure on-time percentage at ATW50%75%100%June 2024: 77% on-time (520 flights)77Jun 2024July 2024: 81% on-time (532 flights)81August 2024: 82% on-time (503 flights)82September 2024: 84% on-time (510 flights)84Sep 2024October 2024: 89% on-time (563 flights)89November 2024: 84% on-time (554 flights)84December 2024: 75% on-time (605 flights)75Dec 2024January 2025: 80% on-time (559 flights)80February 2025: 81% on-time (544 flights)81March 2025: 75% on-time (645 flights)75Mar 2025April 2025: 85% on-time (636 flights)85May 2025: 86% on-time (662 flights)86June 2025: 80% on-time (694 flights)80Jun 2025July 2025: 76% on-time (725 flights)76August 2025: 86% on-time (594 flights)86September 2025: 88% on-time (509 flights)88Sep 2025October 2025: 86% on-time (621 flights)86November 2025: 82% on-time (593 flights)82December 2025: 69% on-time (617 flights)69Dec 2025January 2026: 70% on-time (612 flights)70February 2026: 80% on-time (617 flights)80March 2026: 75% on-time (797 flights)75Mar 2026April 2026: 80% on-time (809 flights)80May 2026: 84% on-time (720 flights)84

Best time of day to depart from ATW

On-time percentage by scheduled departure hour at ATW5 a.m.: 90% on-time (1,138 flights)56 a.m.: 88% on-time (2,841 flights)67 a.m.: 89% on-time (1,383 flights)78 a.m.: 83% on-time (1,411 flights)89 a.m.: 83% on-time (512 flights)910 a.m.: 85% on-time (315 flights)1011 a.m.: 78% on-time (936 flights)1112 p.m.: 76% on-time (836 flights)121 p.m.: 72% on-time (504 flights)132 p.m.: 76% on-time (660 flights)143 p.m.: 73% on-time (1,079 flights)154 p.m.: 71% on-time (1,206 flights)165 p.m.: 73% on-time (1,138 flights)176 p.m.: 71% on-time (643 flights)18scheduled departure hour

Busiest routes from ATW

RouteFlights/12moOn-timeAvg delay
ATW → ORD2,62070%27 min
ATW → DTW1,06180%21 min
ATW → MSP1,02974%27 min
ATW → DEN43580%16 min
ATW → CLT39781%13 min
ATW → DFW37886%13 min
ATW → ATL36884%18 min
ATW → AZA26383%21 min

Most reliable routes

  1. ATW → DFW86%
  2. ATW → ATL84%
  3. ATW → AZA83%
  4. ATW → PGD83%
  5. ATW → LAS82%

Most delay-prone routes

  1. ATW → ORD70%
  2. ATW → MSP74%
  3. ATW → PIE79%
  4. ATW → DEN80%
  5. ATW → DTW80%

Airline performance at ATW

AirlineOn-time departuresAvg delayFlights
Delta Air Lines89%16 min765
Envoy Air83%13 min2,836
Allegiant Air82%18 min3,144
SkyWest Airlines78%24 min7,811
PSA Airlines75%23 min122

Frequently asked questions

How often are flights delayed at ATW?
20% of departures from Appleton International Airport left 15+ minutes late between 2024-06 and 2026-05, 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 71% around 4 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

Based on 14,741 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.