Philadelphia International in December 2023

82.1%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 December 2023, reporting carriers scheduled 7,047 domestic departures from Philadelphia International (PHL). 82.1% left less than 15 minutes late and 83.0% reached their destination on time; 0.3% were cancelled.

Nationally that month, 83.1% of flights departed on time and 83.8% arrived on time, so PHL departures were 1.0 points below the national departure figure.

Flights arriving at PHL that month were on time 81.3% of the time (7,045 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 29% and national aviation system 19%.

On time 83.0%
Arrived 15+ minutes late 16.5%
Cancelled 0.3%
Diverted 0.2%

Every scheduled departure from PHL in December 2023, judged by arrival at the destination.

December 2023 against a year earlier, the airport's year and the nation

Measure	Dec 2023	Year earlier	PHL, 12 months to Jul 2026	All reported flights, Dec 2023
Departed on time	82.1%	—	74.1%	83.1%
Arrived on time	83.0%	—	73.4%	83.8%
Cancelled	0.3%	—	2.7%	0.4%
Average departure delay (late minutes only)	13.5 min	—	20.2 min	11.6 min
Scheduled departures a day	235	—	276	19,013
Scheduled departures	7,047	—	100,793	570,394

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	2,908	41%	83.8%	-0.2 min	0.0%
F9 Frontier Airlines	955	14%	70.5%	12.8 min	0.5%
OH PSA Airlines	706	10%	87.4%	-3.8 min	0.6%
YX Republic Airline	676	10%	91.3%	-9.7 min	0.3%
DL Delta Air Lines	473	7%	94.5%	-13.6 min	0.0%
NK Spirit Airlines	455	6%	77.8%	2.8 min	0.2%
WN Southwest Airlines	455	6%	73.2%	9.0 min	1.3%
UA United Airlines	296	4%	91.2%	-11.9 min	0.3%
B6 JetBlue Airways	78	1%	76.9%	4.7 min	1.3%
AS Alaska Airlines	31	0%	87.1%	-7.6 min	0.0%
9E Endeavor Air	13	0%	92.3%	-8.1 min	0.0%
OO SkyWest Airlines	1	0%	100.0%	-25.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
PHL–MCO	Philadelphia to Orlando	551	75.1%	11.8 min	0.4%
PHL–ATL	Philadelphia to Atlanta	467	85.4%	-2.2 min	0.0%
PHL–BOS	Philadelphia to Boston	329	81.2%	0.3 min	1.2%
PHL–CLT	Philadelphia to Charlotte	300	82.0%	5.2 min	0.3%
PHL–ORD	Philadelphia to Chicago	287	87.8%	-8.1 min	0.0%
PHL–TPA	Philadelphia to Tampa	261	73.9%	7.1 min	0.0%
PHL–DFW	Philadelphia to Dallas/Fort Worth	259	90.7%	-11.8 min	0.0%
PHL–MIA	Philadelphia to Miami	254	75.6%	6.8 min	0.0%
PHL–DTW	Philadelphia to Detroit	232	87.1%	-5.1 min	0.0%
PHL–FLL	Philadelphia to Fort Lauderdale	229	77.7%	7.4 min	0.0%
PHL–BNA	Philadelphia to Nashville	221	84.6%	-3.6 min	1.4%
PHL–DEN	Philadelphia to Denver	219	87.7%	-7.2 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), December 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2023	Minutes
Air carrier	28.8%	37.1%	23,458
Late-arriving aircraft	50.5%	38.8%	41,174
National Aviation System	18.9%	17.6%	15,398
Extreme weather	1.7%	6.2%	1,394
Security	0.2%	0.3%	156

81,580 delay minutes on 1,163 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 December 2023?

82.1% of 7,047 scheduled domestic departures left less than 15 minutes late, and 83.0% reached their destination on time. The national figures that month were 83.1% and 83.8%.

How does that compare with a year earlier?

December 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2023; 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.