Pittsburgh International in September 2024

89.0%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 2024, reporting carriers scheduled 3,764 domestic departures from Pittsburgh International (PIT). 89.0% left less than 15 minutes late and 88.1% reached their destination on time; 0.3% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so PIT departures were 4.6 points above the national departure figure.

A year earlier, in September 2023, the airport had 3,432 departures with 83.6% leaving on time: a change of +5.4 points, with flights up 10%.

Flights arriving at PIT that month were on time 85.8% of the time (3,765 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 42%, air carrier 31% and national aviation system 25%.

On time 88.1%
Arrived 15+ minutes late 11.6%
Cancelled 0.3%
Diverted 0.1%

Every scheduled departure from PIT in September 2024, judged by arrival at the destination.

September 2024 against a year earlier, the airport's year and the nation

Measure	Sep 2024	Sep 2023	PIT, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	89.0%	83.6%	80.7%	84.4%
Arrived on time	88.1%	82.2%	79.7%	83.9%
Cancelled	0.3%	2.4%	2.0%	0.6%
Average departure delay (late minutes only)	8.9 min	12.5 min	14.4 min	10.6 min
Scheduled departures a day	126	114	117	19,421
Scheduled departures	3,764	3,432	42,857	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	838	22%	88.2%	-1.0 min	0.5%
YX Republic Airline	828	22%	94.3%	-11.3 min	0.2%
AA American Airlines	653	17%	81.9%	7.9 min	0.3%
DL Delta Air Lines	319	8%	91.8%	-5.0 min	0.0%
UA United Airlines	310	8%	93.2%	-9.2 min	0.3%
NK Spirit Airlines	298	8%	79.5%	8.5 min	0.3%
9E Endeavor Air	125	3%	90.4%	0.7 min	0.0%
B6 JetBlue Airways	112	3%	75.9%	5.8 min	0.0%
OO SkyWest Airlines	88	2%	92.0%	-7.0 min	0.0%
G4 Allegiant Air	82	2%	84.1%	-3.3 min	1.2%
AS Alaska Airlines	43	1%	95.3%	-10.4 min	0.0%
F9 Frontier Airlines	42	1%	73.8%	7.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PIT–ORD	Pittsburgh to Chicago	270	92.2%	-6.0 min	0.0%
PIT–LGA	Pittsburgh to New York	268	93.7%	-4.1 min	0.0%
PIT–EWR	Pittsburgh to Newark	242	90.9%	-13.2 min	0.8%
PIT–ATL	Pittsburgh to Atlanta	239	90.8%	-3.0 min	0.0%
PIT–BOS	Pittsburgh to Boston	217	77.9%	8.6 min	0.0%
PIT–PHL	Pittsburgh to Philadelphia	184	71.7%	18.2 min	0.0%
PIT–CLT	Pittsburgh to Charlotte	183	82.5%	6.5 min	1.1%
PIT–DEN	Pittsburgh to Denver	175	94.3%	-12.5 min	0.0%
PIT–MCO	Pittsburgh to Orlando	151	87.4%	-0.3 min	0.7%
PIT–JFK	Pittsburgh to New York	149	95.3%	-12.0 min	0.0%
PIT–DCA	Pittsburgh to Washington	134	86.6%	-4.3 min	0.0%
PIT–DTW	Pittsburgh to Detroit	120	91.7%	-5.3 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	30.9%	38.6%	9,684
Late-arriving aircraft	42.4%	38.4%	13,277
National Aviation System	24.8%	18.2%	7,782
Extreme weather	1.8%	4.8%	554
Security	0.1%	0.1%	22

31,319 delay minutes on 435 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 September 2024?

89.0% of 3,764 scheduled domestic departures left less than 15 minutes late, and 88.1% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 83.6% of 3,432 departures left on time and 2.4% were cancelled, against 89.0% and 0.3% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 2024; 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.