Dayton (DAY) to Chicago (ORD): On-Time Performance
Data through July 2026
Dayton (DAY) to Chicago (ORD) 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, 74% land on time, below the national average of 78%. Republic Airways has been the safer pick, arriving on time 86% of the time.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 25 min
- completed flights
- Cancelled
- 3.2%
- Flights/day
- 4.9
- last 12 months
- Duration
- 1h 30m
- scheduled
- Distance
- 240 mi
Best airline from DAY to ORD
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 13 min | 8.5% | 118 |
| United Airlines | 81% | 10 min | 1.4% | 69 |
| Envoy Air | 80% | 19 min | 2.6% | 382 |
| SkyWest Airlines | 74% | 25 min | 2.6% | 1,825 |
| PSA Airlines | 71% | 31 min | 4.1% | 822 |
Monthly on-time trend
Best time to fly from DAY to ORD
Aim for departures around 6 a.m. (91% on-time); avoid 5 p.m. departures (59%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 24 min |
| Tuesdaybest | 78% | 20 min |
| Wednesday | 73% | 29 min |
| Thursday | 75% | 19 min |
| Friday | 72% | 26 min |
| Saturday | 78% | 27 min |
| Sunday | 71% | 31 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations29%
- National airspace system23%
- Weather8%
Frequently asked questions
- How often are flights from DAY to ORD delayed?
- 26% of DAY–ORD 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 25 minutes.
- Which airline is most reliable from DAY to ORD?
- Republic Airways has the best on-time record on this route at 86%, based on 118 flights. 5 airlines flew DAY–ORD frequently enough to compare in this period.
- What is the best time of day to fly from DAY to ORD?
- Departures around 6 a.m. have the best record (91% on-time), while departures around 5 p.m. have the worst (59%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DAY to ORD?
- The scheduled DAY–ORD flight time averages 1h 30m over 240 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are DAY to ORD 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 DAY to ORD?
- February 2026 was the roughest month in this dataset, with only 60% of arrivals on time. The best was December 2024 at 92%. If your dates are flexible, that 32-point gap is worth planning around.
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Based on 3,216 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.