Pittsburgh International in August 2025

81.9%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 August 2025, reporting carriers scheduled 3,841 domestic departures from Pittsburgh International (PIT). 81.9% left less than 15 minutes late and 81.3% reached their destination on time; 1.2% were cancelled.

Nationally that month, 76.8% of flights departed on time and 76.3% arrived on time, so PIT departures were 5.1 points above the national departure figure.

A year earlier, in August 2024, the airport had 4,000 departures with 76.6% leaving on time: a change of +5.3 points, with flights down 4%.

Flights arriving at PIT that month were on time 76.9% of the time (3,839 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 41%, national aviation system 30% and air carrier 27%.

On time 81.3%
Arrived 15+ minutes late 17.1%
Cancelled 1.2%
Diverted 0.4%

Every scheduled departure from PIT in August 2025, judged by arrival at the destination.

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

Measure	Aug 2025	Aug 2024	PIT, 12 months to Jul 2026	All reported flights, Aug 2025
Departed on time	81.9%	76.6%	80.7%	76.8%
Arrived on time	81.3%	75.2%	79.7%	76.3%
Cancelled	1.2%	3.3%	2.0%	1.1%
Average departure delay (late minutes only)	13.7 min	19.0 min	14.4 min	17.6 min
Scheduled departures a day	128	133	117	20,079
Scheduled departures	3,841	4,000	42,857	602,378

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
YX Republic Airline	1,027	27%	86.3%	-2.8 min	1.3%
WN Southwest Airlines	851	22%	81.8%	4.0 min	0.1%
AA American Airlines	540	14%	75.9%	10.7 min	2.0%
UA United Airlines	319	8%	81.8%	1.3 min	0.6%
DL Delta Air Lines	302	8%	84.4%	-1.8 min	3.0%
G4 Allegiant Air	157	4%	85.4%	4.1 min	0.0%
NK Spirit Airlines	145	4%	77.2%	14.8 min	0.0%
B6 JetBlue Airways	140	4%	78.6%	5.6 min	3.6%
OO SkyWest Airlines	133	3%	84.2%	13.2 min	0.0%
OH PSA Airlines	78	2%	57.7%	18.3 min	3.8%
AS Alaska Airlines	58	2%	60.3%	21.7 min	0.0%
MQ Envoy Air	52	1%	82.7%	7.4 min	3.8%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PIT–ORD	Pittsburgh to Chicago	343	82.2%	6.1 min	2.6%
PIT–LGA	Pittsburgh to New York	271	86.7%	1.8 min	1.5%
PIT–ATL	Pittsburgh to Atlanta	246	87.8%	-6.4 min	3.7%
PIT–BOS	Pittsburgh to Boston	217	79.3%	3.3 min	2.3%
PIT–EWR	Pittsburgh to Newark	188	79.8%	5.4 min	1.6%
PIT–DEN	Pittsburgh to Denver	177	77.4%	4.4 min	0.6%
PIT–CLT	Pittsburgh to Charlotte	171	81.3%	2.1 min	0.6%
PIT–MCO	Pittsburgh to Orlando	167	73.1%	15.2 min	0.0%
PIT–JFK	Pittsburgh to New York	155	91.6%	-7.3 min	1.9%
PIT–PHL	Pittsburgh to Philadelphia	139	59.7%	23.9 min	0.7%
PIT–DFW	Pittsburgh to Dallas/Fort Worth	133	72.9%	16.1 min	3.8%
PIT–DCA	Pittsburgh to Washington	132	74.2%	7.6 min	2.3%

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), August 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Aug 2025	Minutes
Air carrier	26.9%	33.1%	13,198
Late-arriving aircraft	40.5%	40.5%	19,907
National Aviation System	29.5%	19.2%	14,476
Extreme weather	3.0%	7.0%	1,491
Security	0.1%	0.1%	70

49,142 delay minutes on 657 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 PIT on time in August 2025?

81.9% of 3,841 scheduled domestic departures left less than 15 minutes late, and 81.3% reached their destination on time. The national figures that month were 76.8% and 76.3%.

How does that compare with a year earlier?

In August 2024, 76.6% of 4,000 departures left on time and 3.3% were cancelled, against 81.9% and 1.2% in August 2025.

Provenance

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