Detroit (DTW) to Elmira/Corning (ELM): On-Time Performance
Data through May 2026
When you fly DTW to ELM matters as much as anything else about the booking: the route swung from 93% on-time in September 2024 to just 52% in December 2025. Across the full period the route averages 77% on-time against a national 78%.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 0.7%
- Flights/day
- 2.5
- last 12 months
- Duration
- 1h 18m
- scheduled
- Distance
- 331 mi
Monthly on-time trend
Best time to fly from DTW to ELM
Aim for departures around 9 p.m. (79% on-time); avoid 1 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 72% | 30 min |
| Tuesday | 75% | 25 min |
| Wednesday | 80% | 18 min |
| Thursday | 76% | 25 min |
| Friday | 76% | 23 min |
| Saturdaybest | 84% | 11 min |
| Sunday | 74% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations79%
- National airspace system6%
- Weather15%
Frequently asked questions
- How often are flights from DTW to ELM delayed?
- 23% of DTW–ELM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 22 minutes.
- What is the best time of day to fly from DTW to ELM?
- Departures around 9 p.m. have the best record (79% on-time), while departures around 1 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to ELM?
- The scheduled DTW–ELM flight time averages 1h 18m over 331 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are DTW to ELM flights cancelled?
- 0.7% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DTW to ELM?
- December 2025 was the roughest month in this dataset, with only 52% of arrivals on time. The best was September 2024 at 93%. If your dates are flexible, that 41-point gap is worth planning around.
Explore related pages
More routes from DTW
Based on 1,616 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.