Airport reliability
Dayton (DAY) on-time performance
How reliably flights leave Dayton, OH (DAY) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Dayton, OH7,973 departures in 12 months
- Departures on time
- 77.3% U.S. average 75.6%
- Cancelled
- 2.8% U.S. average 1.9%
- 60+ minutes late
- 9.6% U.S. average 8.1%
- Scheduled departures
- 7,973 12 months
What this means
DAY departures beat the U.S. average.
- 77.3% of the 7,973 scheduled departures from Dayton (DAY) arrived at their destination on time, 1.7 points higher than the U.S. average of 75.6%.
- 2.8% of departures were cancelled (U.S. average 1.9%), and 9.6% arrived an hour or more late.
- Flights arriving at DAY were on time 70.1% of the time.
- Among airlines with at least 300 departures, United Airlines was the most punctual from DAY (89.7%) and SkyWest Airlines the least (61.1%).
- Over the last 3 years, October was the most reliable month for departures from DAY (88.2% on time) and January the least reliable (72.4%).
- Cancellations peaked in January, when 4.7% of flights were cancelled.
- Flights scheduled to depart 11 am to noon were the most punctual (87.0% on time); flights scheduled to depart 7 pm to 8 pm were the least (56.2%).
Airlines at DAY
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| United Airlines | 89.7% | 0.5% | 3.4% | 113 min | 377 |
| Delta Air Lines | 87.5% | 1.9% | 4.9% | 96 min | 1,408 |
| Republic AirwaysSold as American Eagle, Delta Connection, United Express | 81.4% | 10.3% | 3.1% | Unavailable | 97 |
| PSA AirlinesSold as American Eagle | 76.6% | 2.7% | 10.0% | 104 min | 4,636 |
| Envoy AirSold as American Eagle | 76.4% | 3.0% | 9.2% | 89 min | 466 |
| Allegiant Air | 63.0% | 1.0% | 17.0% | 119 min | 311 |
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 61.1% | 6.0% | 18.3% | 100 min | 678 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time DAY average 77.3%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 84.8% | 132 |
| Departing 6 am to 7 am | 86.1% | 1,307 |
| Departing 7 am to 8 am | 83.0% | 666 |
| Departing 8 am to 9 am | 85.4% | 710 |
| Departing 9 am to 10 am | 85.3% | 655 |
| Departing 10 am to 11 am | 74.6% | 252 |
| Departing 11 am to noon | 87.0% | 500 |
| Departing noon to 1 pm | 75.9% | 580 |
| Departing 1 pm to 2 pm | 80.4% | 469 |
| Departing 2 pm to 3 pm | 76.7% | 378 |
| Departing 3 pm to 4 pm | 72.4% | 192 |
| Departing 4 pm to 5 pm | 66.2% | 320 |
| Departing 5 pm to 6 pm | 62.8% | 564 |
| Departing 6 pm to 7 pm | 67.0% | 796 |
| Departing 7 pm to 8 pm | 56.2% | 322 |
| Departing 8 pm to 9 pm | Insufficient sample | 36 |
| Departing 9 pm to 10 pm | 36.6% | 93 |
| Departing 10 pm to 11 pm | Insufficient sample | 1 |
Best and worst months at DAY
Share of scheduled flights on time 12-month average 77.3%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 72.4% | 1,788 |
| February | 76.6% | 1,741 |
| March | 81.0% | 1,909 |
| April | 81.0% | 2,038 |
| May | 76.5% | 2,123 |
| June | 75.9% | 1,939 |
| July | 74.9% | 1,900 |
| August | 78.4% | 1,975 |
| September | 85.0% | 1,920 |
| October | 88.2% | 2,058 |
| November | 83.6% | 2,033 |
| December | 80.3% | 1,848 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 85.8% | 639 |
| Oct 2025 | 85.6% | 734 |
| Nov 2025 | 76.0% | 757 |
| Dec 2025 | 71.9% | 659 |
| Jan 2026 | 71.0% | 630 |
| Feb 2026 | 76.3% | 575 |
| Mar 2026 | 74.8% | 635 |
| Apr 2026 | 80.5% | 677 |
| May 2026 | 78.8% | 674 |
| Jun 2026 | 74.2% | 628 |
| Jul 2026 | 75.1% | 667 |
| Aug 2026 | 76.6% | 698 |
Busiest routes from DAY
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Chicago (ORD) | 69.1% | 4.9% | 5 | 1,810 |
| Atlanta (ATL) | 87.5% | 1.9% | 1 | 1,408 |
| Charlotte (CLT) | 80.9% | 1.6% | 1 | 1,398 |
| Dallas/Fort Worth (DFW) | 77.9% | 2.1% | 2 | 1,359 |
| Washington (DCA) | 67.4% | 4.2% | 1 | 959 |
| Denver (DEN) | 91.5% | 0.8% | 2 | 365 |
| Philadelphia (PHL) | 87.0% | 2.2% | 1 | 361 |
| St. Petersburg (PIE) | 63.2% | 0.9% | 1 | 106 |
| Punta Gorda (PGD) | 80.4% | 1.0% | 1 | 97 |
| Sanford (SFB) | 46.3% | 0.0% | 1 | 82 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Dayton, OH (DAY) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.