Miami International in November 2023

83.4%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 November 2023, reporting carriers scheduled 8,861 domestic departures from Miami International (MIA). 83.4% left less than 15 minutes late and 82.2% reached their destination on time; 0.0% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so MIA departures were 2.6 points below the national departure figure.

Flights arriving at MIA that month were on time 85.5% of the time (8,866 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 35% and national aviation system 16%.

On time 82.2%
Arrived 15+ minutes late 17.7%
Cancelled 0.0%
Diverted 0.1%

Every scheduled departure from MIA in November 2023, judged by arrival at the destination.

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

Measure	Nov 2023	Year earlier	MIA, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	83.4%	—	72.9%	86.0%
Arrived on time	82.2%	—	72.3%	86.2%
Cancelled	0.0%	—	1.6%	0.1%
Average departure delay (late minutes only)	12.4 min	—	19.7 min	9.4 min
Scheduled departures a day	295	—	305	18,793
Scheduled departures	8,861	—	111,186	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	4,543	51%	81.3%	5.0 min	0.0%
MQ Envoy Air	1,107	12%	85.5%	-0.5 min	0.0%
DL Delta Air Lines	882	10%	83.3%	4.1 min	0.0%
NK Spirit Airlines	635	7%	78.7%	5.4 min	0.2%
UA United Airlines	551	6%	88.2%	-5.8 min	0.2%
WN Southwest Airlines	541	6%	85.0%	-0.4 min	0.0%
F9 Frontier Airlines	250	3%	76.0%	9.2 min	0.0%
B6 JetBlue Airways	226	3%	69.5%	17.3 min	0.4%
YX Republic Airline	83	1%	92.8%	-10.7 min	0.0%
AS Alaska Airlines	43	0%	83.7%	-8.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MIA–ATL	Miami to Atlanta	551	81.5%	6.2 min	0.0%
MIA–LGA	Miami to New York	470	84.0%	-1.2 min	0.0%
MIA–JFK	Miami to New York	442	78.7%	7.2 min	0.0%
MIA–EWR	Miami to Newark	414	85.7%	-5.9 min	0.2%
MIA–DFW	Miami to Dallas/Fort Worth	411	78.1%	8.0 min	0.0%
MIA–ORD	Miami to Chicago	396	87.1%	-4.6 min	0.3%
MIA–BOS	Miami to Boston	327	82.3%	1.4 min	0.0%
MIA–DCA	Miami to Washington	316	84.2%	-3.8 min	0.0%
MIA–MCO	Miami to Orlando	299	89.0%	-1.0 min	0.0%
MIA–LAX	Miami to Los Angeles	293	79.2%	4.5 min	0.0%
MIA–CLT	Miami to Charlotte	289	79.9%	6.0 min	0.0%
MIA–IAH	Miami to Houston	264	83.0%	5.3 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), November 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	46.3%	42.5%	46,012
Late-arriving aircraft	34.5%	37.3%	34,315
National Aviation System	15.9%	16.2%	15,829
Extreme weather	2.6%	3.7%	2,578
Security	0.7%	0.3%	677

99,411 delay minutes on 1,565 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 MIA on time in November 2023?

83.4% of 8,861 scheduled domestic departures left less than 15 minutes late, and 82.2% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 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 November 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MIA · methodology · corrections.