Pittsburgh International in April 2026

85.1%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 2026, reporting carriers scheduled 3,531 domestic departures from Pittsburgh International (PIT). 85.1% left less than 15 minutes late and 84.7% reached their destination on time; 0.5% were cancelled.

Nationally that month, 79.1% of flights departed on time and 78.9% arrived on time, so PIT departures were 6.0 points above the national departure figure.

A year earlier, in April 2025, the airport had 3,674 departures with 85.5% leaving on time: a change of −0.4 points, with flights down 4%.

Flights arriving at PIT that month were on time 81.1% of the time (3,530 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, late-arriving aircraft 32% and national aviation system 32%.

On time 84.7%
Arrived 15+ minutes late 14.6%
Cancelled 0.5%
Diverted 0.1%

Every scheduled departure from PIT in April 2026, judged by arrival at the destination.

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

Measure	Apr 2026	Apr 2025	PIT, 12 months to Jul 2026	All reported flights, Apr 2026
Departed on time	85.1%	85.5%	80.7%	79.1%
Arrived on time	84.7%	83.5%	79.7%	78.9%
Cancelled	0.5%	0.6%	2.0%	0.9%
Average departure delay (late minutes only)	11.3 min	11.1 min	14.4 min	14.5 min
Scheduled departures a day	118	123	117	19,931
Scheduled departures	3,531	3,674	42,857	597,919

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	881	25%	85.6%	-0.9 min	0.0%
YX Republic Airline	852	24%	86.3%	-3.9 min	0.2%
AA American Airlines	563	16%	83.7%	5.4 min	0.4%
UA United Airlines	384	11%	83.9%	3.3 min	1.3%
DL Delta Air Lines	282	8%	91.5%	-12.1 min	1.1%
OO SkyWest Airlines	133	4%	82.7%	3.7 min	1.5%
G4 Allegiant Air	121	3%	79.3%	10.3 min	0.0%
B6 JetBlue Airways	116	3%	89.7%	-2.8 min	0.0%
NK Spirit Airlines	86	2%	83.7%	-2.2 min	2.3%
OH PSA Airlines	36	1%	47.2%	26.0 min	5.6%
MQ Envoy Air	35	1%	60.0%	7.9 min	0.0%
AS Alaska Airlines	30	1%	73.3%	11.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PIT–ORD	Pittsburgh to Chicago	347	74.6%	12.9 min	2.9%
PIT–ATL	Pittsburgh to Atlanta	222	91.9%	-13.2 min	1.4%
PIT–LGA	Pittsburgh to New York	222	84.2%	0.7 min	0.5%
PIT–MCO	Pittsburgh to Orlando	186	88.7%	-3.4 min	0.0%
PIT–CLT	Pittsburgh to Charlotte	174	87.4%	-2.7 min	0.6%
PIT–BOS	Pittsburgh to Boston	155	87.7%	-8.1 min	0.0%
PIT–PHL	Pittsburgh to Philadelphia	126	83.3%	0.6 min	0.0%
PIT–DFW	Pittsburgh to Dallas/Fort Worth	123	81.3%	19.9 min	0.0%
PIT–JFK	Pittsburgh to New York	121	90.1%	-1.5 min	0.0%
PIT–EWR	Pittsburgh to Newark	120	90.8%	-12.6 min	0.0%
PIT–DTW	Pittsburgh to Detroit	118	91.5%	-4.7 min	0.0%
PIT–DEN	Pittsburgh to Denver	117	92.3%	-1.1 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), April 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Apr 2026	Minutes
Air carrier	34.4%	33.5%	12,676
Late-arriving aircraft	32.2%	40.4%	11,872
National Aviation System	31.5%	21.0%	11,611
Extreme weather	1.9%	5.0%	688
Security	0.1%	0.1%	23

36,870 delay minutes on 517 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 April 2026?

85.1% of 3,531 scheduled domestic departures left less than 15 minutes late, and 84.7% reached their destination on time. The national figures that month were 79.1% and 78.9%.

How does that compare with a year earlier?

In April 2025, 85.5% of 3,674 departures left on time and 0.6% were cancelled, against 85.1% and 0.5% in April 2026.

Provenance

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