Elmira/Corning Regional (ELM) Delays and On-Time Departures
Elmira/Corning, NY · ranked 208th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
79.4% of the 1,290 flights scheduled to depart Elmira/Corning (ELM) in the last 12 months left on time, 1.9 points above the US average of 77.4%.
That ranks 208th of 333 US airports tracked on this site, with 1.2% of departures cancelled.
Among airlines at Elmira/Corning (ELM), SkyWest Airlines left on time most often (82.9%).
Over 24 months, Wednesday was the most reliable day (83% on time) and December the worst month (69%).
Best time of day to fly out of Elmira/Corning (ELM)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 90.3% | 0.7% | 730 |
| 9am–10am | 79.2% | 1.5% | 132 |
| 10am–11am | 83.3% | 1.9% | 104 |
| 11am–12pm | 82.8% | 1.0% | 100 |
| 12pm–1pm | 78.8% | 1.5% | 326 |
| 1pm–2pm | Limited data | 28 | |
| 2pm–3pm | Limited data | 29 | |
| 3pm–4pm | 73.1% | 0.0% | 182 |
| 4pm–5pm | 63.4% | 1.9% | 103 |
| 5pm–6pm | 78.3% | 0.5% | 412 |
| 6pm–7pm | 75.8% | 1.0% | 96 |
| 7pm–8pm | 69.0% | 0.0% | 84 |
| 8pm–9pm | 57.1% | 0.0% | 70 |
| 9pm–10pm | 53.1% | 0.0% | 32 |
Airlines at ELM ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 82.9% | 83.8% | 1.4% | 925 |
| Allegiant Air | 70.4% | 68.5% | 0.8% | 365 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of ELM
On-time departures by day, 24 months.
Best month to fly out of ELM
On-time departures by month, 24 months.
Holiday travel at Elmira/Corning (ELM)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 63.8% | -18.2 pts | 0.0% | 47 |
| Christmas & New Year (Dec 20 - Jan 3) | 71.1% | -10.9 pts | 1.2% | 84 |
| Summer peak (Jun 15 - Aug 15) | 75.5% | -6.4 pts | 0.2% | 463 |
| All other days | 82.0% | — | 1.0% | 1,834 |
Monthly on-time departure trend at ELM
On-time departure % each month, with the 12-month US average for reference.
Routes from Elmira/Corning (ELM)
Every route from ELM with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| ELM → Detroit (DTW) | 83.8% | 1.4% | 925 |
| ELM → Sanford (SFB) | 63.8% | 0.6% | 161 |