Memphis International in December 2024

81.2%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 2024, reporting carriers scheduled 1,773 domestic departures from Memphis International (MEM). 81.2% left less than 15 minutes late and 81.6% reached their destination on time; 0.5% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so MEM departures were 3.4 points above the national departure figure.

A year earlier, in December 2023, the airport had 1,835 departures with 87.3% leaving on time: a change of −6.1 points, with flights down 3%.

Flights arriving at MEM that month were on time 77.1% of the time (1,772 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 47%, air carrier 29% and national aviation system 21%.

On time 81.6%
Arrived 15+ minutes late 17.7%
Cancelled 0.5%
Diverted 0.2%

Every scheduled departure from MEM in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	MEM, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	81.2%	87.3%	78.2%	77.8%
Arrived on time	81.6%	88.4%	78.2%	78.1%
Cancelled	0.5%	0.3%	2.2%	0.7%
Average departure delay (late minutes only)	14.7 min	8.3 min	17.3 min	16.6 min
Scheduled departures a day	59	61	68	19,686
Scheduled departures	1,773	1,835	24,723	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
DL Delta Air Lines	340	19%	89.1%	-0.8 min	0.3%
WN Southwest Airlines	308	17%	78.2%	9.6 min	0.6%
AA American Airlines	300	17%	77.7%	13.3 min	1.0%
YX Republic Airline	240	14%	82.9%	-5.4 min	0.8%
MQ Envoy Air	139	8%	77.0%	10.7 min	0.0%
9E Endeavor Air	114	6%	85.1%	0.4 min	0.0%
UA United Airlines	108	6%	86.1%	6.3 min	0.0%
OH PSA Airlines	103	6%	76.7%	5.3 min	0.0%
NK Spirit Airlines	49	3%	87.8%	-2.8 min	0.0%
G4 Allegiant Air	37	2%	67.6%	24.5 min	2.7%
OO SkyWest Airlines	24	1%	66.7%	19.6 min	0.0%
F9 Frontier Airlines	11	1%	100.0%	-14.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MEM–ATL	Memphis to Atlanta	285	87.4%	0.1 min	0.0%
MEM–DFW	Memphis to Dallas/Fort Worth	194	71.6%	24.8 min	1.5%
MEM–CLT	Memphis to Charlotte	172	80.2%	3.7 min	0.0%
MEM–LGA	Memphis to New York	116	83.6%	-1.2 min	0.0%
MEM–ORD	Memphis to Chicago	108	76.9%	7.8 min	0.0%
MEM–DEN	Memphis to Denver	104	88.5%	1.7 min	0.0%
MEM–DCA	Memphis to Washington	82	84.1%	-4.5 min	0.0%
MEM–DTW	Memphis to Detroit	78	91.0%	-7.4 min	0.0%
MEM–MSP	Memphis to Minneapolis	61	82.0%	7.2 min	1.6%
MEM–MDW	Memphis to Chicago	60	85.0%	8.3 min	0.0%
MEM–HOU	Memphis to Houston	58	75.9%	5.8 min	1.7%
MEM–MCO	Memphis to Orlando	58	81.0%	3.9 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 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	29.4%	34.3%	6,872
Late-arriving aircraft	47.2%	40.2%	11,054
National Aviation System	20.6%	17.8%	4,825
Extreme weather	2.8%	7.5%	649
Security	0.1%	0.2%	12

23,412 delay minutes on 314 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 MEM on time in December 2024?

81.2% of 1,773 scheduled domestic departures left less than 15 minutes late, and 81.6% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 87.3% of 1,835 departures left on time and 0.3% were cancelled, against 81.2% and 0.5% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MEM · methodology · corrections.