James M Cox/Dayton International in November 2023

89.5%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 November 2023, reporting carriers scheduled 660 domestic departures from James M Cox/Dayton International (DAY). 89.5% left less than 15 minutes late and 88.2% reached their destination on time; 0.2% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so DAY departures were 3.5 points above the national departure figure.

Flights arriving at DAY that month were on time 86.8% of the time (658 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 34% and national aviation system 11%.

On time 88.2%
Arrived 15+ minutes late 11.5%
Cancelled 0.2%
Diverted 0.2%

Every scheduled departure from DAY in November 2023, judged by arrival at the destination.

November 2023 against a year earlier, the airport's year and the nation

Measure	Nov 2023	Year earlier	DAY, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	89.5%	—	78.8%	86.0%
Arrived on time	88.2%	—	77.4%	86.2%
Cancelled	0.2%	—	2.7%	0.1%
Average departure delay (late minutes only)	8.6 min	—	20.9 min	9.4 min
Scheduled departures a day	22	—	22	18,793
Scheduled departures	660	—	7,918	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	302	46%	85.8%	-2.4 min	0.3%
OO SkyWest Airlines	149	23%	87.2%	-1.1 min	0.0%
DL Delta Air Lines	103	16%	94.2%	-12.5 min	0.0%
9E Endeavor Air	29	4%	100.0%	-20.8 min	0.0%
G4 Allegiant Air	27	4%	77.8%	20.4 min	0.0%
MQ Envoy Air	26	4%	92.3%	-13.8 min	0.0%
YX Republic Airline	24	4%	91.7%	-11.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DAY–ORD	Dayton to Chicago	119	86.6%	-0.6 min	0.0%
DAY–DFW	Dayton to Dallas/Fort Worth	114	88.6%	-10.2 min	0.0%
DAY–CLT	Dayton to Charlotte	110	84.5%	1.5 min	0.0%
DAY–ATL	Dayton to Atlanta	107	94.4%	-12.7 min	0.0%
DAY–DCA	Dayton to Washington	104	85.6%	-0.8 min	1.0%
DAY–LGA	Dayton to New York	49	95.9%	-16.5 min	0.0%
DAY–DEN	Dayton to Denver	30	90.0%	-2.7 min	0.0%
DAY–PGD	Dayton to Punta Gorda	10	100.0%	-8.9 min	0.0%
DAY–SFB	Dayton to Sanford	9	44.4%	46.2 min	0.0%
DAY–PIE	Dayton to St. Petersburg	8	87.5%	27.9 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	34.1%	42.5%	1,725
Late-arriving aircraft	45.8%	37.3%	2,318
National Aviation System	11.2%	16.2%	569
Extreme weather	8.9%	3.7%	452
Security	0.0%	0.3%	0

5,064 delay minutes on 76 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 2023?

89.5% of 660 scheduled domestic departures left less than 15 minutes late, and 88.2% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2023; 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.