Chicago (ORD) to Dayton (DAY): On-Time Performance
Data through July 2026
Chicago (ORD) to Dayton (DAY) has an unusually high scrub rate — 3.2% of scheduled departures never left the gate, a cancellation rate several times the national figure. When flights do go, 70% land on time, below the national average of 78%. United Airlines has been the safer pick, arriving on time 81% of the time.
- On-time
- 70%
- arrived <15 min late
- Avg delay
- 32 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 4.9
- last 12 months
- Duration
- 1h 22m
- scheduled
- Distance
- 240 mi
Best airline from ORD to DAY
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 81% | 17 min | 1.4% | 69 |
| Envoy Air | 79% | 15 min | 2.9% | 384 |
| SkyWest Airlines | 73% | 22 min | 2.4% | 1,825 |
| Republic Airways | 71% | 20 min | 5.9% | 118 |
| PSA Airlines | 60% | 67 min | 5.1% | 824 |
Monthly on-time trend
Best time to fly from ORD to DAY
Aim for departures around 10 a.m. (82% on-time); avoid 8 p.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 70% | 26 min |
| Tuesday | 72% | 33 min |
| Wednesday | 71% | 27 min |
| Thursday | 70% | 34 min |
| Friday | 67% | 37 min |
| Saturdaybest | 76% | 34 min |
| Sunday | 67% | 34 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations25%
- National airspace system12%
- Weather10%
Frequently asked questions
- How often are flights from ORD to DAY delayed?
- 30% of ORD–DAY flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 32 minutes.
- Which airline is most reliable from ORD to DAY?
- United Airlines has the best on-time record on this route at 81%, based on 69 flights. 5 airlines flew ORD–DAY frequently enough to compare in this period.
- What is the best time of day to fly from ORD to DAY?
- Departures around 10 a.m. have the best record (82% on-time), while departures around 8 p.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to DAY?
- The scheduled ORD–DAY flight time averages 1h 22m over 240 miles. Actual arrival times vary — flights on this route land 15+ minutes late 30% of the time.
- How often are ORD to DAY flights cancelled?
- 3.2% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from ORD to DAY?
- July 2025 was the roughest month in this dataset, with only 55% of arrivals on time. The best was May 2025 at 88%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 3,220 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.