Philadelphia International in March 2025

80.9%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 March 2025, reporting carriers scheduled 7,673 domestic departures from Philadelphia International (PHL). 80.9% left less than 15 minutes late and 79.5% reached their destination on time; 1.5% were cancelled.

Nationally that month, 79.9% of flights departed on time and 79.3% arrived on time, so PHL departures were 1.0 points above the national departure figure.

A year earlier, in March 2024, the airport had 7,470 departures with 78.7% leaving on time: a change of +2.2 points, with flights up 3%.

Flights arriving at PHL that month were on time 77.3% of the time (7,681 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 43%, air carrier 27% and national aviation system 24%.

On time 79.5%
Arrived 15+ minutes late 18.8%
Cancelled 1.5%
Diverted 0.2%

Every scheduled departure from PHL 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	PHL, 12 months to Jul 2026	All reported flights, Mar 2025
Departed on time	80.9%	78.7%	74.1%	79.9%
Arrived on time	79.5%	80.6%	73.4%	79.3%
Cancelled	1.5%	0.7%	2.7%	1.2%
Average departure delay (late minutes only)	16.2 min	16.1 min	20.2 min	14.9 min
Scheduled departures a day	256	249	276	20,029
Scheduled departures	7,673	7,470	100,793	600,872

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	3,162	41%	78.3%	7.5 min	1.3%
OH PSA Airlines	1,130	15%	75.7%	10.4 min	2.7%
F9 Frontier Airlines	878	11%	73.8%	7.9 min	3.0%
YX Republic Airline	774	10%	83.1%	3.1 min	1.0%
DL Delta Air Lines	470	6%	86.8%	-4.5 min	0.2%
WN Southwest Airlines	393	5%	86.5%	-1.7 min	0.8%
NK Spirit Airlines	361	5%	77.0%	5.0 min	1.9%
UA United Airlines	336	4%	89.6%	-4.3 min	0.0%
B6 JetBlue Airways	93	1%	87.1%	-1.7 min	1.1%
AS Alaska Airlines	43	1%	88.4%	-4.8 min	0.0%
OO SkyWest Airlines	33	0%	87.9%	-5.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHL–MCO	Philadelphia to Orlando	513	79.7%	6.1 min	1.2%
PHL–ATL	Philadelphia to Atlanta	474	80.2%	3.3 min	1.1%
PHL–BOS	Philadelphia to Boston	456	83.1%	2.0 min	1.1%
PHL–ORD	Philadelphia to Chicago	351	83.8%	6.0 min	0.9%
PHL–CLT	Philadelphia to Charlotte	332	78.9%	9.6 min	1.5%
PHL–TPA	Philadelphia to Tampa	302	77.5%	11.2 min	2.6%
PHL–MIA	Philadelphia to Miami	282	75.5%	8.8 min	0.7%
PHL–DFW	Philadelphia to Dallas/Fort Worth	264	78.4%	8.2 min	1.1%
PHL–DEN	Philadelphia to Denver	243	86.4%	-4.5 min	1.6%
PHL–FLL	Philadelphia to Fort Lauderdale	242	69.4%	17.4 min	2.1%
PHL–BNA	Philadelphia to Nashville	212	82.5%	1.6 min	0.5%
PHL–RDU	Philadelphia to Raleigh/Durham	196	79.1%	10.4 min	1.0%

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	27.2%	33.0%	32,934
Late-arriving aircraft	43.3%	39.2%	52,370
National Aviation System	23.8%	21.9%	28,791
Extreme weather	5.6%	5.9%	6,807
Security	0.1%	0.1%	77

120,979 delay minutes on 1,439 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 PHL on time in March 2025?

80.9% of 7,673 scheduled domestic departures left less than 15 minutes late, and 79.5% 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, 78.7% of 7,470 departures left on time and 0.7% were cancelled, against 80.9% and 1.5% 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 PHL · methodology · corrections.