FlightRecord

Elmira/Corning (ELM) to Detroit (DTW): On-Time Performance

Data through July 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
0.8%
Flights/day
2.5
last 12 months
Duration
1h 29m
scheduled
Distance
331 mi

Monthly on-time trend

Monthly on-time percentage for ELM to DTW flights50%75%100%August 2024: 86% on-time (62 flights)86Aug 2024September 2024: 92% on-time (60 flights)92October 2024: 84% on-time (62 flights)84November 2024: 80% on-time (59 flights)80Nov 2024December 2024: 71% on-time (49 flights)71January 2025: 86% on-time (57 flights)86February 2025: 73% on-time (56 flights)73Feb 2025March 2025: 76% on-time (62 flights)76April 2025: 83% on-time (60 flights)83May 2025: 92% on-time (62 flights)92May 2025June 2025: 86% on-time (78 flights)86July 2025: 76% on-time (84 flights)76August 2025: 87% on-time (82 flights)87Aug 2025September 2025: 97% on-time (77 flights)97October 2025: 93% on-time (85 flights)93November 2025: 86% on-time (76 flights)86Nov 2025December 2025: 60% on-time (76 flights)60January 2026: 77% on-time (61 flights)77February 2026: 80% on-time (56 flights)80Feb 2026March 2026: 72% on-time (62 flights)72April 2026: 90% on-time (76 flights)90May 2026: 91% on-time (92 flights)91May 2026June 2026: 86% on-time (90 flights)86July 2026: 79% on-time (92 flights)79

Best time to fly from ELM to DTW

Aim for departures around 6 a.m. (87% on-time); avoid 3 p.m. departures (74%).

On-time percentage by scheduled departure hour, ELM to DTW6 a.m.: 87% on-time (761 flights)612 p.m.: 80% on-time (298 flights)123 p.m.: 74% on-time (200 flights)154 p.m.: 76% on-time (67 flights)165 p.m.: 81% on-time (396 flights)17scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday83%18 min
Tuesday83%17 min
Wednesday84%21 min
Thursday83%17 min
Friday83%19 min
Saturdaybest84%11 min
Sunday79%21 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Airline operations75%
  • National airspace system3%
  • Weather22%

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 2024-07 and 2026-07. 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 (87% on-time), while departures around 3 p.m. have the worst (74%). 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 29m 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?
0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, 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.

Based on 1,738 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.