Elmira/Corning Regional in July 2025

75.5%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In July 2025, reporting carriers scheduled 110 domestic departures from Elmira/Corning Regional (ELM). 75.5% left less than 15 minutes late and 72.7% reached their destination on time; 0.9% were cancelled.

Nationally that month, 69.7% of flights departed on time and 69.0% arrived on time, so ELM departures were 5.8 points above the national departure figure.

A year earlier, in July 2024, the airport had 88 departures with 72.7% leaving on time: a change of +2.8 points, with flights up 25%.

Flights arriving at ELM that month were on time 74.5% of the time (110 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 82%, late-arriving aircraft 10% and national aviation system 5%.

On time 72.7%
Arrived 15+ minutes late 26.4%
Cancelled 0.9%
Diverted 0.0%

Every scheduled departure from ELM in July 2025, judged by arrival at the destination.

July 2025 against a year earlier, the airport's year and the nation

Measure	Jul 2025	Jul 2024	ELM, 12 months to Jul 2026	All reported flights, Jul 2025
Departed on time	75.5%	72.7%	78.4%	69.7%
Arrived on time	72.7%	69.3%	78.4%	69.0%
Cancelled	0.9%	1.1%	1.2%	2.5%
Average departure delay (late minutes only)	19.9 min	24.0 min	19.8 min	24.3 min
Scheduled departures a day	4	3	4	21,048
Scheduled departures	110	88	1,290	631,428

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	84	76%	75.0%	13.2 min	1.2%
G4 Allegiant Air	26	24%	65.4%	15.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ELM–DTW	Elmira/Corning to Detroit	84	75.0%	13.2 min	1.2%
ELM–SFB	Elmira/Corning to Sanford	17	58.8%	20.6 min	0.0%
ELM–PIE	Elmira/Corning to St. Petersburg	9	77.8%	6.0 min	0.0%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), July 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jul 2025	Minutes
Air carrier	81.8%	31.1%	1,771
Late-arriving aircraft	10.0%	40.8%	217
National Aviation System	4.6%	20.7%	100
Extreme weather	3.6%	7.3%	78
Security	0.0%	0.1%	0

2,166 delay minutes on 29 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ELM on time in July 2025?

75.5% of 110 scheduled domestic departures left less than 15 minutes late, and 72.7% reached their destination on time. The national figures that month were 69.7% and 69.0%.

How does that compare with a year earlier?

In July 2024, 72.7% of 88 departures left on time and 1.1% were cancelled, against 75.5% and 0.9% in July 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for July 2025; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ELM · methodology · corrections.