Airport · DAY · Dayton, Ohio

Dayton, OH

Dayton, OH posts above-median on-time performance among the 382 tracked U.S. airports, as a mid-size U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 87,827 flights (2020–2025); its biggest delay driver is late aircraft.

Compiled by PlainFlights Editorial, Flight Performance Editorial Team

Data updated 2026-06-13

84.2%
On-time: Top 42%
on-time, US airports: 86 min
Delay when late: 1.02%
Cancelled

Key Performance Metrics

Total Flights

87,827

Best Month

Sep 95.2%

Worst Month

Jul 91.3%

Delayed

13,839

Cancelled

896

60-65%

1
65-70%

4
70-75%

9
75-80%

48
80-85%

192
85-90%

116
90-95%

12

What this shows DAY is marked in the 80-85% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 557,993.

Late Aircraft 39.9% (222,687 min)

Carrier 34.6% (192,983 min)

NAS (National Aviation System) 19.9% (110,903 min)

Weather 5.6% (31,180 min)

Security 0.0% (240 min)

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: September (95.2% on-time). Most delays: July (91.3% on-time).

Month	Avg Flights	Avg Delayed	Avg Cancelled	On-Time %
December	1,187	203	8	92.7%
November	1,247	164	7	94.5%
October	1,271	149	3	95.1%
September	1,217	149	3	95.2%
August	1,266	221	9	93%
July	1,215	263	12	91.3%
June	1,169	235	10	91.6%
May	1,162	197	10	92.9%
April	1,157	148	35	94.6%
March	1,314	176	27	94.4%
February	1,170	199	13	92.5%
January	1,265	205	13	92.9%

Year-Over-Year Performance

Annual flight volume and on-time trends at DAY.

Year	Flights	Delayed	Cancelled	On-Time %
2025	15,861	1,511	179	90.5%
2024	15,279	1,085	92	92.9%
2023	14,122	884	65	93.7%
2022	13,485	925	150	93.1%
2021	14,452	728	48	95%
2020	14,628	660	362	95.5%

Cancellation & Diversion Analysis

Flight disruption statistics for Dayton, OH.

Cancellation Rate

1.02%

896 of 87,827 flights

Diversion Rate

0.12%

103 of 87,827 flights

Delay Rate

15.8%

13,839 of 87,827 flights

Monthly Performance

Recent 24 months of flight data.

Period	Flights	Dep Delayed	Arr Delayed	Cancelled	Diverted
Dec 2025	1,317	162	213	17	1
Nov 2025	1,513	128	178	29	1
Oct 2025	1,467	95	147	2	3
Sep 2025	1,280	77	120	2	4
Aug 2025	1,286	119	159	13	2
Jul 2025	1,184	141	214	17	1
Jun 2025	1,364	166	244	25	0
May 2025	1,476	153	207	13	3
Apr 2025	1,352	96	148	10	1
Mar 2025	1,234	98	149	11	4
Feb 2025	1,223	150	173	18	4
Jan 2025	1,165	126	140	22	0
Dec 2024	1,170	120	143	6	2
Nov 2024	1,231	56	79	4	2
Oct 2024	1,362	50	82	5	2
Sep 2024	1,333	80	119	2	1
Aug 2024	1,268	104	169	6	0
Jul 2024	1,281	130	190	25	2
Jun 2024	1,258	107	135	9	3
May 2024	1,424	129	184	13	4
Apr 2024	1,372	83	126	4	0
Mar 2024	1,313	60	95	2	1
Feb 2024	1,112	67	78	2	2
Jan 2024	1,155	99	128	14	0

Top Routes from DAY

Busiest routes to and from Dayton, OH.

Route	Flights	On-Time	Distance
CLT (Charlotte) → DAY (Dayton)	8,375	79.3%	370 mi
DAY (Dayton) → CLT (Charlotte)	8,370	85.7%	370 mi
ATL (Atlanta) → DAY (Dayton)	7,553	89.1%	432 mi
DAY (Dayton) → ATL (Atlanta)	7,551	91.9%	432 mi
DAY (Dayton) → DFW (Dallas/Fort Worth)	7,068	81.8%	861 mi
DFW (Dallas/Fort Worth) → DAY (Dayton)	7,065	80.4%	861 mi
DAY (Dayton) → DCA (Washington)	5,616	81.1%	391 mi
DCA (Washington) → DAY (Dayton)	5,609	77.3%	391 mi
ORD (Chicago) → DAY (Dayton)	5,361	79.1%	240 mi
DAY (Dayton) → ORD (Chicago)	5,354	81%	240 mi
DAY (Dayton) → DTW (Detroit)	2,471	92.6%	166 mi
DTW (Detroit) → DAY (Dayton)	2,471	90.8%	166 mi
DAY (Dayton) → LGA (New York)	1,901	86.1%	549 mi
LGA (New York) → DAY (Dayton)	1,872	85.7%	549 mi
PHL (Philadelphia) → DAY (Dayton)	1,539	79.4%	477 mi
DAY (Dayton) → PHL (Philadelphia)	1,510	90.7%	477 mi
DAY (Dayton) → DEN (Denver)	796	89.4%	1,085 mi
DEN (Denver) → DAY (Dayton)	796	73.5%	1,085 mi

Airports With a Similar On-Time Rate

Other U.S. airports nationwide whose on-time rate is closest to Dayton, OH's 84.2%.

San Jose, CA

84.2% on-time 546,547 flights

Jackson/Vicksburg, MS

84.2% on-time 79,839 flights

Baton Rouge, LA

84.2% on-time 53,837 flights

Pellston, MI

84.2% on-time 9,995 flights

Cordova, AK

84.2% on-time 8,691 flights

Columbia, SC

84.3% on-time 67,973 flights

Other Airports in Ohio

Compare performance with other Ohio airports.

CMH 82.8%

Columbus, OH

Columbus · 450,603 flights

CLE 82%

Cleveland, OH

Cleveland · 446,498 flights

CAK 80.4%

Akron, OH

Akron · 36,344 flights

LCK 74.3%

Columbus, OH

Columbus · 12,681 flights

TOL 80.8%

Toledo, OH

Toledo · 7,268 flights

Keep exploring

More flight data around Dayton, OH.

Ohio flight data

Statewide on-time and delay aggregates, plus every reporting airport in Ohio.

View OH data →

Airport rankings

See where DAY sits among U.S. airports on on-time rate and average delay.

Best on-time airports →

Compare airports

Put DAY head-to-head with another airport on delays and reliability.

Open comparison tool →

What the Data Says About DAY

Dayton, OH in Dayton, Ohio handled 87,827 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 84.2% on-time departure rate. Of those flights, 13,839 experienced delays, 896 were cancelled, and 103 were diverted. The cancellation rate works out to 1.02%, the diversion rate to 0.12%, and the average delay when departures run late is 86.4 minutes. These figures are the baseline for comparing DAY against other airports in the same state and nationally.

Breaking down what drives delays at DAY, Late Aircraft leads the pack. Late Aircraft accounts for 39.9% of total delay minutes, followed by Carrier at 34.6% and NAS (National Aviation System) at 19.9%. Weather contributes 5.6% of delay minutes at this airport, while security holds the smallest share at 0.0%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, September runs the cleanest at DAY with a 95.2% on-time rate, while July is the roughest at 91.3% - a 4-point swing between best and worst month. Volume peaks in March, when average flights hit 1,314. The busiest route connecting DAY is to CLT (Charlotte), with 8,375 flights at a 79.3% on-time rate. Combine these numbers - 84.2% on-time, 86.4-minute average delay, 1.02% cancellation rate, and you have a concrete picture of departure reliability at Dayton, OH.

Frequently Asked Questions

What is the on-time performance rate at Dayton, OH (DAY)? ▼

Dayton, OH has an overall on-time departure rate of 84.2%. Out of 87,827 total flights tracked, 13,839 experienced delays and 896 were cancelled.

What is the most common cause of delays at DAY? ▼

The top delay cause at Dayton, OH is Late Aircraft. Late Aircraft accounts for 39.9% of all delay minutes.

What is the average delay time at DAY? ▼

The average delay at Dayton, OH is 86.4 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.

What is the best month to fly from DAY? ▼

Based on historical data, September has the best on-time performance at DAY with 95.2% of flights departing on time.

What is the worst month for delays at DAY? ▼

July tends to have the most delays at DAY, with an on-time rate of only 91.3%.

How many routes operate from DAY? ▼

Dayton, OH serves at least 18 routes. The busiest route is CLT to DAY (Charlotte - Dayton) with 8,375 flights.

What is the cancellation rate at DAY? ▼

Dayton, OH has a cancellation rate of 1.02%, based on 896 cancelled flights out of 87,827 total flights tracked.

Flight Guides

Data-driven guides to help you understand airport and flight performance.

Best & Worst Airlines for On-Time Performance

Which carriers consistently outperform peers

Why Flights Get Cancelled

Cancellation causes broken down by data

How to Choose Reliable Flight Routes

Use delay data to pick flights that arrive on time

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Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Read our methodology - how this data is sourced, computed, and verified.

Using DAY's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

Check the busiest route from DAY before you book a connection. See top routes
Travel in September rather than July if your dates are flexible. Seasonal patterns
Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

All airports → | Rankings →

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025 Accessed 2026-07-23

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.