Lehigh Valley International in April 2025

88.1%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 April 2025, reporting carriers scheduled 226 domestic departures from Lehigh Valley International (ABE). 88.1% left less than 15 minutes late and 90.7% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.6% of flights departed on time and 79.5% arrived on time, so ABE departures were 7.5 points above the national departure figure.

A year earlier, in April 2024, the airport had 364 departures with 83.5% leaving on time: a change of +4.6 points, with flights down 38%.

Flights arriving at ABE that month were on time 83.6% of the time (226 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 42% and extreme weather 8%.

On time 90.7%
Arrived 15+ minutes late 8.8%
Cancelled 0.0%
Diverted 0.4%

Every scheduled departure from ABE in April 2025, judged by arrival at the destination.

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

Measure	Apr 2025	Apr 2024	ABE, 12 months to Jul 2026	All reported flights, Apr 2025
Departed on time	88.1%	83.5%	79.2%	80.6%
Arrived on time	90.7%	83.5%	77.9%	79.5%
Cancelled	0.0%	0.5%	2.0%	0.8%
Average departure delay (late minutes only)	10.6 min	24.0 min	22.7 min	14.1 min
Scheduled departures a day	8	12	9	19,465
Scheduled departures	226	364	3,375	583,950

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	165	73%	95.2%	-14.4 min	0.0%
OH PSA Airlines	60	27%	80.0%	14.7 min	0.0%
OO SkyWest Airlines	1	0%	0.0%	92.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ABE–CLT	Allentown/Bethlehem/Easton to Charlotte	60	80.0%	14.7 min	0.0%
ABE–SFB	Allentown/Bethlehem/Easton to Sanford	58	94.8%	-9.0 min	0.0%
ABE–PGD	Allentown/Bethlehem/Easton to Punta Gorda	26	92.3%	-19.5 min	0.0%
ABE–PIE	Allentown/Bethlehem/Easton to St. Petersburg	26	96.2%	-17.6 min	0.0%
ABE–MYR	Allentown/Bethlehem/Easton to Myrtle Beach	16	100.0%	-11.2 min	0.0%
ABE–FLL	Allentown/Bethlehem/Easton to Fort Lauderdale	14	100.0%	-31.5 min	0.0%
ABE–MCO	Allentown/Bethlehem/Easton to Orlando	9	100.0%	-19.4 min	0.0%
ABE–MLB	Allentown/Bethlehem/Easton to Melbourne	8	87.5%	-1.7 min	0.0%
ABE–SRQ	Allentown/Bethlehem/Easton to Sarasota/Bradenton	8	87.5%	-11.0 min	0.0%
ABE–ORD	Allentown/Bethlehem/Easton to Chicago	1	0.0%	92.0 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), April 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2025	Minutes
Air carrier	43.0%	32.7%	903
Late-arriving aircraft	42.2%	39.4%	886
National Aviation System	6.7%	22.2%	140
Extreme weather	8.1%	5.5%	170
Security	0.0%	0.2%	0

2,099 delay minutes on 20 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 ABE on time in April 2025?

88.1% of 226 scheduled domestic departures left less than 15 minutes late, and 90.7% reached their destination on time. The national figures that month were 80.6% and 79.5%.

How does that compare with a year earlier?

In April 2024, 83.5% of 364 departures left on time and 0.5% were cancelled, against 88.1% and 0.0% in April 2025.

Provenance

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