James M Cox/Dayton International in November 2024

90.3%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 November 2024, reporting carriers scheduled 616 domestic departures from James M Cox/Dayton International (DAY). 90.3% left less than 15 minutes late and 88.1% reached their destination on time; 0.6% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so DAY departures were 5.1 points above the national departure figure.

A year earlier, in November 2023, the airport had 660 departures with 89.5% leaving on time: a change of +0.8 points, with flights down 7%.

Flights arriving at DAY that month were on time 86.8% of the time (615 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 39%, late-arriving aircraft 39% and national aviation system 14%.

On time 88.1%
Arrived 15+ minutes late 10.9%
Cancelled 0.6%
Diverted 0.3%

Every scheduled departure from DAY in November 2024, judged by arrival at the destination.

November 2024 against a year earlier, the airport's year and the nation

Measure	Nov 2024	Nov 2023	DAY, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	90.3%	89.5%	78.8%	85.2%
Arrived on time	88.1%	88.2%	77.4%	84.8%
Cancelled	0.6%	0.2%	2.7%	0.5%
Average departure delay (late minutes only)	8.5 min	8.6 min	20.9 min	10.2 min
Scheduled departures a day	21	22	22	19,180
Scheduled departures	616	660	7,918	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	287	47%	88.9%	-3.6 min	0.7%
OO SkyWest Airlines	122	20%	81.1%	-1.4 min	1.6%
DL Delta Air Lines	104	17%	96.2%	-11.1 min	0.0%
G4 Allegiant Air	27	4%	77.8%	-0.5 min	0.0%
9E Endeavor Air	26	4%	88.5%	-2.0 min	0.0%
MQ Envoy Air	25	4%	96.0%	-6.7 min	0.0%
YX Republic Airline	25	4%	84.0%	-8.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DAY–DFW	Dayton to Dallas/Fort Worth	112	90.2%	-9.1 min	2.7%
DAY–ATL	Dayton to Atlanta	106	96.2%	-11.2 min	0.0%
DAY–CLT	Dayton to Charlotte	104	88.5%	0.0 min	0.0%
DAY–DCA	Dayton to Washington	100	88.0%	-2.5 min	0.0%
DAY–ORD	Dayton to Chicago	88	81.8%	-0.6 min	1.1%
DAY–LGA	Dayton to New York	49	85.7%	-4.8 min	0.0%
DAY–DEN	Dayton to Denver	30	83.3%	-2.3 min	0.0%
DAY–PGD	Dayton to Punta Gorda	9	88.9%	-12.1 min	0.0%
DAY–PIE	Dayton to St. Petersburg	9	66.7%	2.2 min	0.0%
DAY–SFB	Dayton to Sanford	9	77.8%	8.4 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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	39.1%	36.9%	1,926
Late-arriving aircraft	38.6%	35.6%	1,906
National Aviation System	13.8%	21.9%	679
Extreme weather	8.5%	5.4%	421
Security	0.0%	0.2%	0

4,932 delay minutes on 67 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 DAY on time in November 2024?

90.3% of 616 scheduled domestic departures left less than 15 minutes late, and 88.1% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 89.5% of 660 departures left on time and 0.2% were cancelled, against 90.3% and 0.6% in November 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for DAY · methodology · corrections.