Airport reliability
Elmira/Corning (ELM) on-time performance
How reliably flights leave Elmira/Corning, NY (ELM) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Elmira/Corning, NY1,310 departures in 12 months
- Departures on time
- 77.8% U.S. average 75.6%
- Cancelled
- 1.4% U.S. average 1.9%
- 60+ minutes late
- 9.6% U.S. average 8.1%
- Scheduled departures
- 1,310 12 months
What this means
ELM departures beat the U.S. average.
- 77.8% of the 1,310 scheduled departures from Elmira/Corning (ELM) arrived at their destination on time, 2.2 points higher than the U.S. average of 75.6%.
- 1.4% of departures were cancelled (U.S. average 1.9%), and 9.6% arrived an hour or more late.
- Flights arriving at ELM were on time 76.6% of the time.
- Among airlines with at least 300 departures, SkyWest Airlines was the most punctual from ELM (82.2%) and Allegiant Air the least (66.8%).
- Over the last 3 years, September was the most reliable month for departures from ELM (90.0% on time) and December the least reliable (70.5%).
- Cancellations peaked in January, when 3.2% of flights were cancelled.
- Flights scheduled to depart 6 am to 7 am were the most punctual (86.8% on time); flights scheduled to depart noon to 1 pm were the least (80.0%).
Airlines at ELM
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 82.2% | 1.6% | 8.0% | 99 min | 936 |
| Allegiant Air | 66.8% | 0.8% | 13.6% | 85 min | 374 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time ELM average 77.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing 6 am to 7 am | 86.8% | 365 |
| Departing 9 am to 10 am | Insufficient sample | 37 |
| Departing 10 am to 11 am | Insufficient sample | 35 |
| Departing 11 am to noon | 80.6% | 62 |
| Departing noon to 1 pm | 80.0% | 240 |
| Departing 1 pm to 2 pm | 80.0% | 50 |
| Departing 2 pm to 3 pm | Insufficient sample | 26 |
| Departing 3 pm to 4 pm | Insufficient sample | 36 |
| Departing 4 pm to 5 pm | 72.4% | 87 |
| Departing 5 pm to 6 pm | 80.8% | 229 |
| Departing 6 pm to 7 pm | Insufficient sample | 47 |
| Departing 7 pm to 8 pm | Insufficient sample | 35 |
| Departing 8 pm to 9 pm | Insufficient sample | 37 |
| Departing 9 pm to 10 pm | Insufficient sample | 24 |
Best and worst months at ELM
Share of scheduled flights on time 12-month average 77.8%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 73.3% | 251 |
| February | 77.4% | 287 |
| March | 73.3% | 296 |
| April | 85.4% | 308 |
| May | 86.4% | 287 |
| June | 76.1% | 301 |
| July | 72.7% | 330 |
| August | 79.7% | 311 |
| September | 90.0% | 251 |
| October | 86.4% | 286 |
| November | 79.8% | 267 |
| December | 70.5% | 261 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 94.7% | 94 |
| Oct 2025 | 90.0% | 120 |
| Nov 2025 | 74.3% | 105 |
| Dec 2025 | 59.5% | 111 |
| Jan 2026 | 72.7% | 88 |
| Feb 2026 | 76.0% | 96 |
| Mar 2026 | 65.6% | 96 |
| Apr 2026 | 84.7% | 111 |
| May 2026 | 87.0% | 115 |
| Jun 2026 | 78.2% | 119 |
| Jul 2026 | 75.0% | 132 |
| Aug 2026 | 74.8% | 123 |
Busiest routes from ELM
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Detroit (DTW) | 82.2% | 1.6% | 1 | 936 |
| Sanford (SFB) | 62.1% | 0.6% | 1 | 161 |
| St. Petersburg (PIE) | 64.2% | 0.8% | 1 | 123 |
| Punta Gorda (PGD) | 80.0% | 1.7% | 1 | 60 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Elmira/Corning, NY (ELM) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.