James M Cox/Dayton International in October 2024

91.9%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 October 2024, reporting carriers scheduled 682 domestic departures from James M Cox/Dayton International (DAY). 91.9% left less than 15 minutes late and 90.6% reached their destination on time; 0.7% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so DAY departures were 6.4 points above the national departure figure.

A year earlier, in October 2023, the airport had 642 departures with 89.7% leaving on time: a change of +2.2 points, with flights up 6%.

Flights arriving at DAY that month were on time 87.4% of the time (680 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 48%, air carrier 46% and national aviation system 7%.

On time 90.6%
Arrived 15+ minutes late 8.4%
Cancelled 0.7%
Diverted 0.3%

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

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

Measure	Oct 2024	Oct 2023	DAY, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	91.9%	89.7%	78.8%	85.5%
Arrived on time	90.6%	88.8%	77.4%	85.8%
Cancelled	0.7%	0.2%	2.7%	1.0%
Average departure delay (late minutes only)	8.1 min	9.3 min	20.9 min	9.4 min
Scheduled departures a day	23	21	22	20,517
Scheduled departures	682	642	7,918	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	305	45%	89.2%	-3.0 min	0.3%
OO SkyWest Airlines	182	27%	86.8%	-5.6 min	0.0%
DL Delta Air Lines	115	17%	100.0%	-22.6 min	0.0%
9E Endeavor Air	27	4%	96.3%	-13.0 min	0.0%
YX Republic Airline	27	4%	100.0%	-7.3 min	0.0%
G4 Allegiant Air	26	4%	76.9%	-5.7 min	15.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DAY–DFW	Dayton to Dallas/Fort Worth	123	91.9%	-10.0 min	0.8%
DAY–ORD	Dayton to Chicago	120	81.7%	3.1 min	0.0%
DAY–CLT	Dayton to Charlotte	117	86.3%	-0.3 min	0.0%
DAY–ATL	Dayton to Atlanta	115	100.0%	-22.6 min	0.0%
DAY–DCA	Dayton to Washington	88	92.0%	-3.4 min	0.0%
DAY–LGA	Dayton to New York	54	98.1%	-10.1 min	0.0%
DAY–DEN	Dayton to Denver	31	93.5%	-21.3 min	0.0%
DAY–PGD	Dayton to Punta Gorda	9	77.8%	2.6 min	11.1%
DAY–SFB	Dayton to Sanford	9	88.9%	-11.4 min	11.1%
DAY–PHL	Dayton to Philadelphia	8	100.0%	-15.1 min	0.0%
DAY–PIE	Dayton to St. Petersburg	8	62.5%	-9.3 min	25.0%

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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	45.8%	42.7%	2,301
Late-arriving aircraft	47.5%	37.4%	2,390
National Aviation System	6.7%	16.3%	338
Extreme weather	0.0%	3.4%	0
Security	0.0%	0.2%	0

5,029 delay minutes on 57 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 October 2024?

91.9% of 682 scheduled domestic departures left less than 15 minutes late, and 90.6% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 89.7% of 642 departures left on time and 0.2% were cancelled, against 91.9% and 0.7% in October 2024.

Provenance

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