Memphis International in September 2025

87.8%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 September 2025, reporting carriers scheduled 2,059 domestic departures from Memphis International (MEM). 87.8% left less than 15 minutes late and 87.2% reached their destination on time; 0.2% were cancelled.

Nationally that month, 83.1% of flights departed on time and 82.8% arrived on time, so MEM departures were 4.7 points above the national departure figure.

A year earlier, in September 2024, the airport had 1,869 departures with 86.8% leaving on time: a change of +1.0 points, with flights up 10%.

Flights arriving at MEM that month were on time 84.6% of the time (2,058 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 42%, national aviation system 29% and late-arriving aircraft 23%.

On time 87.2%
Arrived 15+ minutes late 12.4%
Cancelled 0.2%
Diverted 0.1%

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

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

Measure	Sep 2025	Sep 2024	MEM, 12 months to Jul 2026	All reported flights, Sep 2025
Departed on time	87.8%	86.8%	78.2%	83.1%
Arrived on time	87.2%	85.3%	78.2%	82.8%
Cancelled	0.2%	0.3%	2.2%	0.5%
Average departure delay (late minutes only)	9.1 min	9.6 min	17.3 min	12.2 min
Scheduled departures a day	69	62	68	18,748
Scheduled departures	2,059	1,869	24,723	562,439

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
OO SkyWest Airlines	345	17%	91.0%	-5.5 min	0.0%
AA American Airlines	328	16%	88.4%	-4.2 min	0.9%
DL Delta Air Lines	320	16%	94.7%	-10.1 min	0.0%
WN Southwest Airlines	303	15%	85.5%	0.0 min	0.0%
YX Republic Airline	275	13%	81.1%	3.3 min	0.0%
OH PSA Airlines	136	7%	83.1%	5.9 min	0.0%
UA United Airlines	123	6%	81.3%	9.3 min	0.0%
MQ Envoy Air	110	5%	85.5%	3.5 min	0.9%
NK Spirit Airlines	82	4%	86.6%	-3.5 min	0.0%
G4 Allegiant Air	25	1%	80.0%	-2.2 min	0.0%
F9 Frontier Airlines	12	1%	75.0%	11.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MEM–ATL	Memphis to Atlanta	269	94.8%	-11.1 min	0.0%
MEM–DFW	Memphis to Dallas/Fort Worth	217	82.5%	8.2 min	1.4%
MEM–ORD	Memphis to Chicago	187	85.0%	2.5 min	0.0%
MEM–CLT	Memphis to Charlotte	128	93.8%	-9.2 min	0.0%
MEM–DCA	Memphis to Washington	115	77.4%	5.0 min	0.0%
MEM–DTW	Memphis to Detroit	105	91.4%	-3.8 min	0.0%
MEM–DEN	Memphis to Denver	102	77.5%	7.3 min	0.0%
MEM–IAH	Memphis to Houston	100	94.0%	-6.5 min	0.0%
MEM–LGA	Memphis to New York	86	82.6%	9.0 min	0.0%
MEM–MSP	Memphis to Minneapolis	81	88.9%	-6.4 min	0.0%
MEM–PHL	Memphis to Philadelphia	70	88.6%	-9.6 min	0.0%
MEM–HOU	Memphis to Houston	69	89.9%	-4.8 min	0.0%

By scheduled departure hour

100

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), September 2025.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2025	Minutes
Air carrier	41.8%	34.3%	7,283
Late-arriving aircraft	23.4%	37.4%	4,080
National Aviation System	29.1%	22.6%	5,071
Extreme weather	5.7%	5.6%	986
Security	0.0%	0.1%	0

17,420 delay minutes on 256 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 September 2025?

87.8% of 2,059 scheduled domestic departures left less than 15 minutes late, and 87.2% reached their destination on time. The national figures that month were 83.1% and 82.8%.

How does that compare with a year earlier?

In September 2024, 86.8% of 1,869 departures left on time and 0.3% were cancelled, against 87.8% and 0.2% in September 2025.

Provenance

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