Elmira/Corning Regional in May 2026

87.0%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 May 2026, reporting carriers scheduled 115 domestic departures from Elmira/Corning Regional (ELM). 87.0% left less than 15 minutes late and 87.0% reached their destination on time; 0.9% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so ELM departures were 9.9 points above the national departure figure.

A year earlier, in May 2025, the airport had 92 departures with 88.0% leaving on time: a change of −1.0 points, with flights up 25%.

Flights arriving at ELM that month were on time 87.8% of the time (115 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 81%, late-arriving aircraft 8% and extreme weather 8%.

On time 87.0%
Arrived 15+ minutes late 12.2%
Cancelled 0.9%
Diverted 0.0%

Every scheduled departure from ELM in May 2026, judged by arrival at the destination.

May 2026 against a year earlier, the airport's year and the nation

Measure	May 2026	May 2025	ELM, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	87.0%	88.0%	78.4%	77.1%
Arrived on time	87.0%	88.0%	78.4%	77.6%
Cancelled	0.9%	0.0%	1.2%	0.9%
Average departure delay (late minutes only)	15.7 min	6.5 min	19.8 min	16.0 min
Scheduled departures a day	4	3	4	20,391
Scheduled departures	115	92	1,290	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	92	80%	90.2%	3.2 min	1.1%
G4 Allegiant Air	23	20%	73.9%	5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ELM–DTW	Elmira/Corning to Detroit	92	90.2%	3.2 min	1.1%
ELM–SFB	Elmira/Corning to Sanford	11	72.7%	0.0 min	0.0%
ELM–PIE	Elmira/Corning to St. Petersburg	9	66.7%	15.1 min	0.0%
ELM–MYR	Elmira/Corning to Myrtle Beach	3	100.0%	-7.0 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), May 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	81.2%	33.0%	1,335
Late-arriving aircraft	8.0%	40.4%	131
National Aviation System	3.3%	20.5%	54
Extreme weather	7.6%	6.0%	125
Security	0.0%	0.1%	0

1,645 delay minutes on 14 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 May 2026?

87.0% of 115 scheduled domestic departures left less than 15 minutes late, and 87.0% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 88.0% of 92 departures left on time and 0.0% were cancelled, against 87.0% and 0.9% in May 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for May 2026; 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.