Memphis International in December 2025

75.1%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 2025, reporting carriers scheduled 1,956 domestic departures from Memphis International (MEM). 75.1% left less than 15 minutes late and 76.4% reached their destination on time; 1.5% were cancelled.

Nationally that month, 72.0% of flights departed on time and 71.9% arrived on time, so MEM departures were 3.1 points above the national departure figure.

A year earlier, in December 2024, the airport had 1,773 departures with 81.2% leaving on time: a change of −6.1 points, with flights up 10%.

Flights arriving at MEM that month were on time 69.8% of the time (1,954 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 39% and national aviation system 18%.

On time 76.4%
Arrived 15+ minutes late 21.9%
Cancelled 1.5%
Diverted 0.2%

Every scheduled departure from MEM in December 2025, judged by arrival at the destination.

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

Measure	Dec 2025	Dec 2024	MEM, 12 months to Jul 2026	All reported flights, Dec 2025
Departed on time	75.1%	81.2%	78.2%	72.0%
Arrived on time	76.4%	81.6%	78.2%	71.9%
Cancelled	1.5%	0.5%	2.2%	1.5%
Average departure delay (late minutes only)	20.2 min	14.7 min	17.3 min	21.2 min
Scheduled departures a day	65	59	68	19,410
Scheduled departures	1,956	1,773	24,723	582,304

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	348	18%	76.4%	8.3 min	0.0%
WN Southwest Airlines	346	18%	80.3%	3.5 min	0.6%
DL Delta Air Lines	328	17%	85.1%	-1.5 min	2.1%
OO SkyWest Airlines	267	14%	71.9%	27.1 min	1.9%
YX Republic Airline	256	13%	74.6%	7.5 min	2.7%
UA United Airlines	110	6%	78.2%	7.4 min	0.0%
OH PSA Airlines	104	5%	69.2%	17.3 min	1.9%
MQ Envoy Air	86	4%	65.1%	18.3 min	3.5%
NK Spirit Airlines	49	3%	81.6%	-9.2 min	2.0%
G4 Allegiant Air	41	2%	48.8%	62.5 min	0.0%
F9 Frontier Airlines	21	1%	71.4%	20.7 min	9.5%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MEM–ATL	Memphis to Atlanta	261	85.1%	-1.1 min	3.1%
MEM–ORD	Memphis to Chicago	202	69.3%	17.3 min	2.5%
MEM–DFW	Memphis to Dallas/Fort Worth	182	72.0%	12.9 min	0.0%
MEM–CLT	Memphis to Charlotte	145	84.1%	-1.9 min	0.0%
MEM–DEN	Memphis to Denver	106	76.4%	9.7 min	0.0%
MEM–DCA	Memphis to Washington	87	77.0%	9.3 min	2.3%
MEM–IAH	Memphis to Houston	78	69.2%	35.6 min	0.0%
MEM–LGA	Memphis to New York	73	67.1%	10.2 min	4.1%
MEM–MCO	Memphis to Orlando	73	82.2%	-2.5 min	2.7%
MEM–DTW	Memphis to Detroit	71	76.1%	19.3 min	4.2%
MEM–HOU	Memphis to Houston	61	83.6%	0.2 min	0.0%
MEM–MSP	Memphis to Minneapolis	60	73.3%	29.2 min	1.7%

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 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2025	Minutes
Air carrier	38.6%	33.3%	13,754
Late-arriving aircraft	39.9%	41.1%	14,201
National Aviation System	18.3%	19.1%	6,522
Extreme weather	2.9%	6.4%	1,049
Security	0.2%	0.2%	69

35,595 delay minutes on 429 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 2025?

75.1% of 1,956 scheduled domestic departures left less than 15 minutes late, and 76.4% reached their destination on time. The national figures that month were 72.0% and 71.9%.

How does that compare with a year earlier?

In December 2024, 81.2% of 1,773 departures left on time and 0.5% were cancelled, against 75.1% and 1.5% in December 2025.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2025; 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.