James M Cox/Dayton International in January 2024

80.4%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 January 2024, reporting carriers scheduled 577 domestic departures from James M Cox/Dayton International (DAY). 80.4% left less than 15 minutes late and 75.2% reached their destination on time; 2.4% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so DAY departures were 6.4 points above the national departure figure.

Flights arriving at DAY that month were on time 74.9% of the time (578 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 36% and national aviation system 20%.

On time 75.2%
Arrived 15+ minutes late 22.4%
Cancelled 2.4%
Diverted 0.0%

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

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

Measure	Jan 2024	Year earlier	DAY, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	80.4%	—	78.8%	74.0%
Arrived on time	75.2%	—	77.4%	72.9%
Cancelled	2.4%	—	2.7%	3.7%
Average departure delay (late minutes only)	18.5 min	—	20.9 min	18.7 min
Scheduled departures a day	19	—	22	18,242
Scheduled departures	577	—	7,918	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OH PSA Airlines	310	54%	73.5%	12.9 min	2.3%
OO SkyWest Airlines	90	16%	65.6%	13.3 min	6.7%
DL Delta Air Lines	82	14%	87.8%	-6.1 min	0.0%
9E Endeavor Air	46	8%	82.6%	9.0 min	0.0%
YX Republic Airline	27	5%	77.8%	1.6 min	3.7%
G4 Allegiant Air	19	3%	68.4%	30.3 min	0.0%
MQ Envoy Air	3	1%	100.0%	-6.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
DAY–CLT	Dayton to Charlotte	116	78.4%	18.4 min	0.0%
DAY–ATL	Dayton to Atlanta	106	86.8%	-2.9 min	0.0%
DAY–DCA	Dayton to Washington	104	72.1%	7.6 min	6.7%
DAY–DFW	Dayton to Dallas/Fort Worth	93	69.9%	11.0 min	0.0%
DAY–ORD	Dayton to Chicago	59	61.0%	13.8 min	10.2%
DAY–LGA	Dayton to New York	49	79.6%	5.5 min	2.0%
DAY–DEN	Dayton to Denver	31	74.2%	12.6 min	0.0%
DAY–PIE	Dayton to St. Petersburg	9	77.8%	9.7 min	0.0%
DAY–PGD	Dayton to Punta Gorda	8	62.5%	53.6 min	0.0%
DAY–SFB	Dayton to Sanford	2	50.0%	30.0 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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	36.3%	32.6%	4,009
Late-arriving aircraft	40.0%	39.0%	4,415
National Aviation System	19.7%	17.9%	2,174
Extreme weather	3.9%	10.3%	434
Security	0.0%	0.2%	0

11,032 delay minutes on 129 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 January 2024?

80.4% of 577 scheduled domestic departures left less than 15 minutes late, and 75.2% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 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 January 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.