Appleton International in August 2025

84.5%departed on time

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 August 2025, reporting carriers scheduled 594 domestic departures from Appleton International (ATW). 84.5% left less than 15 minutes late and 79.0% reached their destination on time; 1.7% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so ATW departures were 7.7 points above the national departure figure.

A year earlier, in August 2024, the airport had 503 departures with 81.7% leaving on time: a change of +2.8 points, with flights up 18%.

Flights arriving at ATW that month were on time 77.7% of the time (593 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, national aviation system 34% and late-arriving aircraft 16%.

On time 79.0%
Arrived 15+ minutes late 19.0%
Cancelled 1.7%
Diverted 0.3%

Every scheduled departure from ATW in August 2025, judged by arrival at the destination.

August 2025 against a year earlier, the airport's year and the nation

Measure	Aug 2025	Aug 2024	ATW, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	84.5%	81.7%	78.0%	76.8%
Arrived on time	79.0%	77.7%	75.6%	76.3%
Cancelled	1.7%	0.4%	2.7%	1.1%
Average departure delay (late minutes only)	16.3 min	19.5 min	21.3 min	17.6 min
Scheduled departures a day	20	17	21	20,079
Scheduled departures	594	503	7,698	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	327	55%	75.2%	11.7 min	2.8%
MQ Envoy Air	144	24%	77.1%	4.7 min	0.7%
G4 Allegiant Air	92	15%	90.2%	17.1 min	0.0%
DL Delta Air Lines	31	5%	93.5%	-4.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ATW–ORD	Appleton to Chicago	196	66.8%	11.8 min	5.1%
ATW–DTW	Appleton to Detroit	91	94.5%	-5.1 min	0.0%
ATW–MSP	Appleton to Minneapolis	91	71.4%	25.2 min	0.0%
ATW–DEN	Appleton to Denver	41	87.8%	-1.9 min	0.0%
ATW–ATL	Appleton to Atlanta	31	93.5%	-4.7 min	0.0%
ATW–CLT	Appleton to Charlotte	31	74.2%	3.6 min	0.0%
ATW–DFW	Appleton to Dallas/Fort Worth	31	83.9%	5.0 min	0.0%
ATW–PGD	Appleton to Punta Gorda	13	92.3%	-2.2 min	0.0%
ATW–AZA	Appleton to Phoenix	12	83.3%	72.3 min	0.0%
ATW–SFB	Appleton to Sanford	12	91.7%	-1.6 min	0.0%
ATW–LAS	Appleton to Las Vegas	10	100.0%	-14.5 min	0.0%
ATW–PIE	Appleton to St. Petersburg	10	60.0%	131.8 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	41.6%	33.1%	4,442
Late-arriving aircraft	15.9%	40.5%	1,695
National Aviation System	34.2%	19.2%	3,650
Extreme weather	8.4%	7.0%	893
Security	0.0%	0.1%	0

10,680 delay minutes on 113 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ATW on time in August 2025?

84.5% of 594 scheduled domestic departures left less than 15 minutes late, and 79.0% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 81.7% of 503 departures left on time and 0.4% were cancelled, against 84.5% and 1.7% in August 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for August 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.