Lehigh Valley International in September 2023

89.1%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 September 2023, reporting carriers scheduled 376 domestic departures from Lehigh Valley International (ABE). 89.1% left less than 15 minutes late and 88.0% reached their destination on time; 0.0% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so ABE departures were 8.6 points above the national departure figure.

Flights arriving at ABE that month were on time 82.5% of the time (377 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 38% and extreme weather 12%.

On time 88.0%
Arrived 15+ minutes late 12.0%
Cancelled 0.0%
Diverted 0.0%

Every scheduled departure from ABE in September 2023, judged by arrival at the destination.

September 2023 against a year earlier, the airport's year and the nation

Measure	Sep 2023	Year earlier	ABE, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	89.1%	—	79.2%	80.5%
Arrived on time	88.0%	—	77.9%	80.1%
Cancelled	0.0%	—	2.0%	1.2%
Average departure delay (late minutes only)	9.1 min	—	22.7 min	14.1 min
Scheduled departures a day	13	—	9	18,978
Scheduled departures	376	—	3,375	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
G4 Allegiant Air	124	33%	87.9%	-5.0 min	0.0%
OH PSA Airlines	112	30%	90.2%	-11.6 min	0.0%
9E Endeavor Air	80	21%	91.3%	-3.2 min	0.0%
OO SkyWest Airlines	60	16%	80.0%	15.7 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ABE–CLT	Allentown/Bethlehem/Easton to Charlotte	112	90.2%	-11.6 min	0.0%
ABE–ATL	Allentown/Bethlehem/Easton to Atlanta	80	91.3%	-3.2 min	0.0%
ABE–ORD	Allentown/Bethlehem/Easton to Chicago	60	80.0%	15.7 min	0.0%
ABE–SFB	Allentown/Bethlehem/Easton to Sanford	38	81.6%	-1.9 min	0.0%
ABE–PIE	Allentown/Bethlehem/Easton to St. Petersburg	21	76.2%	4.1 min	0.0%
ABE–MYR	Allentown/Bethlehem/Easton to Myrtle Beach	18	100.0%	-9.4 min	0.0%
ABE–PGD	Allentown/Bethlehem/Easton to Punta Gorda	18	83.3%	-4.2 min	0.0%
ABE–BNA	Allentown/Bethlehem/Easton to Nashville	13	100.0%	-7.2 min	0.0%
ABE–DEN	Allentown/Bethlehem/Easton to Denver	8	100.0%	-25.0 min	0.0%
ABE–SRQ	Allentown/Bethlehem/Easton to Sarasota/Bradenton	8	100.0%	-12.7 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), September 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	41.4%	36.4%	1,309
Late-arriving aircraft	38.0%	38.3%	1,202
National Aviation System	8.8%	19.9%	278
Extreme weather	11.7%	5.1%	371
Security	0.0%	0.2%	0

3,160 delay minutes on 45 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 September 2023?

89.1% of 376 scheduled domestic departures left less than 15 minutes late, and 88.0% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2023; 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.