Elmira/Corning (ELM) to Detroit (DTW): On-Time Performance
Data through May 2026
The calendar drives reliability on ELM–DTW. September 2025 flights landed on schedule 97% of the time, but December 2025 dropped to 60% — a gap of 38 points. Across the full period the route averages 82% on-time against a national 78%.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 2.5
- last 12 months
- Duration
- 1h 28m
- scheduled
- Distance
- 331 mi
Monthly on-time trend
Best time to fly from ELM to DTW
Aim for departures around 6 a.m. (86% on-time); avoid 3 p.m. departures (71%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 81% | 19 min |
| Tuesday | 82% | 19 min |
| Wednesdaybest | 84% | 18 min |
| Thursday | 81% | 20 min |
| Friday | 83% | 21 min |
| Saturday | 83% | 11 min |
| Sunday | 78% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations80%
- National airspace system3%
- Weather17%
Frequently asked questions
- How often are flights from ELM to DTW delayed?
- 18% of ELM–DTW 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 18 minutes.
- What is the best time of day to fly from ELM to DTW?
- Departures around 6 a.m. have the best record (86% on-time), while departures around 3 p.m. have the worst (71%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ELM to DTW?
- The scheduled ELM–DTW flight time averages 1h 28m over 331 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are ELM to DTW flights cancelled?
- 0.9% 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 ELM to DTW?
- December 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was September 2025 at 97%. If your dates are flexible, that 38-point gap is worth planning around.
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Based on 1,616 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.