Elmira/Corning Regional in December 2025

62.2%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 December 2025, reporting carriers scheduled 111 domestic departures from Elmira/Corning Regional (ELM). 62.2% left less than 15 minutes late and 59.5% reached their destination on time; 1.8% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so ELM departures were 9.8 points below the national departure figure.

A year earlier, in December 2024, the airport had 85 departures with 75.3% leaving on time: a change of −13.1 points, with flights up 31%.

Flights arriving at ELM that month were on time 58.6% of the time (111 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 61%, late-arriving aircraft 17% and extreme weather 12%.

On time 59.5%
Arrived 15+ minutes late 38.7%
Cancelled 1.8%
Diverted 0.0%

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

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

Measure	Dec 2025	Dec 2024	ELM, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	62.2%	75.3%	78.4%	72.0%
Arrived on time	59.5%	74.1%	78.4%	71.9%
Cancelled	1.8%	0.0%	1.2%	1.5%
Average departure delay (late minutes only)	31.7 min	25.3 min	19.8 min	21.2 min
Scheduled departures a day	4	3	4	19,410
Scheduled departures	111	85	1,290	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	76	68%	57.9%	32.1 min	2.6%
G4 Allegiant Air	35	32%	62.9%	22.5 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ELM–DTW	Elmira/Corning to Detroit	76	57.9%	32.1 min	2.6%
ELM–SFB	Elmira/Corning to Sanford	15	46.7%	31.5 min	0.0%
ELM–PIE	Elmira/Corning to St. Petersburg	11	63.6%	28.7 min	0.0%
ELM–PGD	Elmira/Corning to Punta Gorda	9	88.9%	0.0 min	0.0%

By scheduled departure hour

100

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

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

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	60.8%	33.3%	2,191
Late-arriving aircraft	16.7%	41.1%	603
National Aviation System	10.2%	19.1%	367
Extreme weather	12.3%	6.4%	442
Security	0.0%	0.2%	0

3,603 delay minutes on 43 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 December 2025?

62.2% of 111 scheduled domestic departures left less than 15 minutes late, and 59.5% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 75.3% of 85 departures left on time and 0.0% were cancelled, against 62.2% and 1.8% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 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.