Pittsburgh International in March 2025

84.4%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 March 2025, reporting carriers scheduled 3,567 domestic departures from Pittsburgh International (PIT). 84.4% left less than 15 minutes late and 83.6% reached their destination on time; 1.2% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so PIT departures were 4.5 points above the national departure figure.

A year earlier, in March 2024, the airport had 3,614 departures with 83.4% leaving on time: a change of +1.0 points, with flights down 1%.

Flights arriving at PIT that month were on time 78.9% of the time (3,568 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 37%, air carrier 32% and national aviation system 27%.

On time 83.6%
Arrived 15+ minutes late 14.9%
Cancelled 1.2%
Diverted 0.3%

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

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

Measure	Mar 2025	Mar 2024	PIT, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	84.4%	83.4%	80.7%	79.9%
Arrived on time	83.6%	83.9%	79.7%	79.3%
Cancelled	1.2%	0.7%	2.0%	1.2%
Average departure delay (late minutes only)	12.7 min	12.7 min	14.4 min	14.9 min
Scheduled departures a day	119	121	117	20,029
Scheduled departures	3,567	3,614	42,857	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	973	27%	84.0%	-0.8 min	1.1%
YX Republic Airline	916	26%	88.1%	-4.2 min	1.5%
AA American Airlines	413	12%	82.1%	6.2 min	1.5%
NK Spirit Airlines	260	7%	81.5%	6.5 min	1.5%
DL Delta Air Lines	249	7%	87.1%	-5.8 min	0.4%
UA United Airlines	231	6%	85.3%	-1.6 min	0.9%
G4 Allegiant Air	147	4%	74.1%	15.1 min	0.0%
OO SkyWest Airlines	114	3%	77.2%	9.9 min	0.0%
B6 JetBlue Airways	95	3%	83.2%	-7.3 min	0.0%
OH PSA Airlines	73	2%	67.1%	10.2 min	1.4%
MQ Envoy Air	54	2%	72.2%	13.0 min	1.9%
AS Alaska Airlines	28	1%	71.4%	-1.1 min	7.1%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PIT–ORD	Pittsburgh to Chicago	265	85.7%	-1.3 min	0.8%
PIT–ATL	Pittsburgh to Atlanta	234	88.5%	-6.0 min	0.4%
PIT–LGA	Pittsburgh to New York	234	83.3%	-0.9 min	2.1%
PIT–MCO	Pittsburgh to Orlando	233	79.8%	2.8 min	2.1%
PIT–EWR	Pittsburgh to Newark	193	90.7%	-10.2 min	1.6%
PIT–CLT	Pittsburgh to Charlotte	186	83.3%	1.9 min	0.5%
PIT–BOS	Pittsburgh to Boston	181	87.3%	-7.4 min	0.0%
PIT–TPA	Pittsburgh to Tampa	146	83.6%	6.0 min	3.4%
PIT–DCA	Pittsburgh to Washington	140	76.4%	3.2 min	2.1%
PIT–JFK	Pittsburgh to New York	124	82.3%	6.4 min	1.6%
PIT–DFW	Pittsburgh to Dallas/Fort Worth	122	77.9%	9.8 min	3.3%
PIT–DEN	Pittsburgh to Denver	121	90.1%	-11.0 min	0.0%

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), March 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Mar 2025	Minutes
Air carrier	31.9%	33.0%	13,490
Late-arriving aircraft	37.4%	39.2%	15,811
National Aviation System	27.1%	21.9%	11,478
Extreme weather	3.5%	5.9%	1,485
Security	0.1%	0.1%	35

42,299 delay minutes on 531 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 March 2025?

84.4% of 3,567 scheduled domestic departures left less than 15 minutes late, and 83.6% reached their destination on time. The national figures that month were 79.9% and 79.3%.

How does that compare with a year earlier?

In March 2024, 83.4% of 3,614 departures left on time and 0.7% were cancelled, against 84.4% and 1.2% in March 2025.

Provenance

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