Appleton International in May 2026

84.2%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 May 2026, reporting carriers scheduled 720 domestic departures from Appleton International (ATW). 84.2% left less than 15 minutes late and 84.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so ATW departures were 7.1 points above the national departure figure.

A year earlier, in May 2025, the airport had 662 departures with 86.0% leaving on time: a change of −1.8 points, with flights up 9%.

Flights arriving at ATW that month were on time 78.9% of the time (717 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 40%, national aviation system 33% and late-arriving aircraft 17%.

On time 84.0%
Arrived 15+ minutes late 16.0%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from ATW in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	ATW, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	84.2%	86.0%	78.0%	77.1%
Arrived on time	84.0%	83.2%	75.6%	77.6%
Cancelled	0.0%	0.2%	2.7%	0.9%
Average departure delay (late minutes only)	16.9 min	17.5 min	21.3 min	16.0 min
Scheduled departures a day	24	22	21	20,391
Scheduled departures	720	662	7,698	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	362	50%	80.4%	7.6 min	0.0%
MQ Envoy Air	169	23%	91.7%	-4.8 min	0.0%
G4 Allegiant Air	137	19%	84.7%	11.5 min	0.0%
DL Delta Air Lines	31	4%	90.3%	0.2 min	0.0%
OH PSA Airlines	11	2%	54.5%	13.1 min	0.0%
UA United Airlines	10	1%	90.0%	-9.2 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ATW–ORD	Appleton to Chicago	261	78.2%	9.8 min	0.0%
ATW–DTW	Appleton to Detroit	93	92.5%	-8.5 min	0.0%
ATW–MSP	Appleton to Minneapolis	93	80.6%	8.8 min	0.0%
ATW–DFW	Appleton to Dallas/Fort Worth	42	97.6%	-13.5 min	0.0%
ATW–DEN	Appleton to Denver	34	88.2%	5.3 min	0.0%
ATW–CLT	Appleton to Charlotte	32	84.4%	-3.7 min	0.0%
ATW–ATL	Appleton to Atlanta	31	90.3%	0.2 min	0.0%
ATW–AZA	Appleton to Phoenix	18	88.9%	-3.2 min	0.0%
ATW–SFB	Appleton to Sanford	16	56.3%	112.8 min	0.0%
ATW–PGD	Appleton to Punta Gorda	13	92.3%	-17.3 min	0.0%
ATW–PIE	Appleton to St. Petersburg	13	100.0%	-13.2 min	0.0%
ATW–LAS	Appleton to Las Vegas	12	83.3%	34.3 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	40.3%	33.0%	4,816
Late-arriving aircraft	16.7%	40.4%	1,996
National Aviation System	33.1%	20.5%	3,951
Extreme weather	9.9%	6.0%	1,178
Security	0.0%	0.1%	0

11,941 delay minutes on 115 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 May 2026?

84.2% of 720 scheduled domestic departures left less than 15 minutes late, and 84.0% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 86.0% of 662 departures left on time and 0.2% were cancelled, against 84.2% and 0.0% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.