Philadelphia International in January 2025

80.1%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 January 2025, reporting carriers scheduled 6,688 domestic departures from Philadelphia International (PHL). 80.1% left less than 15 minutes late and 73.2% reached their destination on time; 2.8% were cancelled.

Nationally that month, 79.3% of flights departed on time and 78.6% arrived on time, so PHL departures were 0.8 points above the national departure figure.

A year earlier, in January 2024, the airport had 6,943 departures with 75.4% leaving on time: a change of +4.7 points, with flights down 4%.

Flights arriving at PHL that month were on time 78.0% of the time (6,688 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 36%, national aviation system 31% and air carrier 27%.

On time 73.2%
Arrived 15+ minutes late 23.8%
Cancelled 2.8%
Diverted 0.2%

Every scheduled departure from PHL in January 2025, judged by arrival at the destination.

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

Measure	Jan 2025	Jan 2024	PHL, 12 months to Jul 2026	All reported flights, Jan 2025
Departed on time	80.1%	75.4%	74.1%	79.3%
Arrived on time	73.2%	71.4%	73.4%	78.6%
Cancelled	2.8%	2.6%	2.7%	3.0%
Average departure delay (late minutes only)	15.6 min	20.4 min	20.2 min	14.0 min
Scheduled departures a day	223	231	276	17,992
Scheduled departures	6,688	6,943	100,793	539,747

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	2,853	43%	74.9%	8.9 min	1.4%
OH PSA Airlines	981	15%	66.1%	24.3 min	6.2%
F9 Frontier Airlines	704	11%	57.7%	26.6 min	3.3%
YX Republic Airline	660	10%	82.1%	-1.2 min	3.2%
DL Delta Air Lines	458	7%	79.3%	1.9 min	2.2%
WN Southwest Airlines	351	5%	79.8%	-0.1 min	3.1%
NK Spirit Airlines	291	4%	70.4%	9.5 min	5.2%
UA United Airlines	284	4%	82.7%	-1.5 min	0.7%
B6 JetBlue Airways	58	1%	84.5%	-4.6 min	3.4%
AS Alaska Airlines	33	0%	75.8%	-8.5 min	0.0%
OO SkyWest Airlines	15	0%	46.7%	38.1 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHL–MCO	Philadelphia to Orlando	435	68.5%	17.1 min	1.1%
PHL–ATL	Philadelphia to Atlanta	418	68.9%	14.6 min	6.5%
PHL–BOS	Philadelphia to Boston	388	81.4%	3.0 min	1.5%
PHL–CLT	Philadelphia to Charlotte	321	72.0%	14.1 min	2.8%
PHL–ORD	Philadelphia to Chicago	305	83.3%	1.3 min	0.3%
PHL–MIA	Philadelphia to Miami	287	71.8%	9.8 min	2.1%
PHL–DFW	Philadelphia to Dallas/Fort Worth	264	69.3%	14.8 min	3.4%
PHL–DTW	Philadelphia to Detroit	220	76.8%	5.6 min	2.7%
PHL–FLL	Philadelphia to Fort Lauderdale	203	66.5%	15.1 min	2.0%
PHL–BNA	Philadelphia to Nashville	200	68.5%	16.5 min	6.5%
PHL–DEN	Philadelphia to Denver	198	78.8%	1.4 min	1.5%
PHL–TPA	Philadelphia to Tampa	198	67.2%	14.9 min	0.5%

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), January 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2025	Minutes
Air carrier	27.1%	36.2%	32,958
Late-arriving aircraft	35.7%	34.7%	43,405
National Aviation System	31.0%	19.9%	37,690
Extreme weather	6.0%	9.1%	7,354
Security	0.2%	0.2%	266

121,673 delay minutes on 1,594 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 January 2025?

80.1% of 6,688 scheduled domestic departures left less than 15 minutes late, and 73.2% reached their destination on time. The national figures that month were 79.3% and 78.6%.

How does that compare with a year earlier?

In January 2024, 75.4% of 6,943 departures left on time and 2.6% were cancelled, against 80.1% and 2.8% in January 2025.

Provenance

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