Miami International in June 2026

74.0%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 June 2026, reporting carriers scheduled 8,797 domestic departures from Miami International (MIA). 74.0% left less than 15 minutes late and 73.3% reached their destination on time; 0.8% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so MIA departures were 1.8 points above the national departure figure.

A year earlier, in June 2025, the airport had 8,831 departures with 69.1% leaving on time: a change of +4.9 points, with flights down 0%.

Flights arriving at MIA that month were on time 76.9% of the time (8,797 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 38%, air carrier 29% and national aviation system 26%.

On time 73.3%
Arrived 15+ minutes late 25.5%
Cancelled 0.8%
Diverted 0.4%

Every scheduled departure from MIA in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	MIA, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	74.0%	69.1%	72.9%	72.2%
Arrived on time	73.3%	67.6%	72.3%	72.8%
Cancelled	0.8%	1.6%	1.6%	1.6%
Average departure delay (late minutes only)	19.2 min	25.8 min	19.7 min	20.6 min
Scheduled departures a day	293	294	305	20,253
Scheduled departures	8,797	8,831	111,186	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AA American Airlines	5,362	61%	70.5%	13.5 min	0.9%
MQ Envoy Air	1,147	13%	82.4%	-1.4 min	0.0%
DL Delta Air Lines	904	10%	79.9%	3.8 min	1.3%
UA United Airlines	495	6%	76.6%	6.5 min	0.4%
WN Southwest Airlines	453	5%	64.7%	16.1 min	0.4%
F9 Frontier Airlines	342	4%	76.9%	6.4 min	1.2%
YX Republic Airline	64	1%	67.2%	33.2 min	3.1%
AS Alaska Airlines	30	0%	83.3%	-5.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MIA–ATL	Miami to Atlanta	491	77.2%	3.7 min	1.2%
MIA–LGA	Miami to New York	442	68.6%	19.6 min	1.8%
MIA–DFW	Miami to Dallas/Fort Worth	383	70.5%	10.1 min	3.7%
MIA–JFK	Miami to New York	360	70.3%	16.4 min	1.4%
MIA–ORD	Miami to Chicago	330	66.7%	18.1 min	2.4%
MIA–DCA	Miami to Washington	326	72.1%	11.1 min	1.5%
MIA–CLT	Miami to Charlotte	298	79.5%	3.7 min	1.0%
MIA–PHL	Miami to Philadelphia	291	73.9%	10.7 min	2.7%
MIA–IAH	Miami to Houston	277	79.1%	4.6 min	0.0%
MIA–EWR	Miami to Newark	270	71.5%	14.7 min	0.0%
MIA–LAX	Miami to Los Angeles	268	76.5%	1.8 min	0.0%
MIA–BOS	Miami to Boston	264	73.5%	9.6 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	29.1%	30.8%	46,811
Late-arriving aircraft	37.9%	42.1%	60,914
National Aviation System	25.5%	20.3%	40,993
Extreme weather	7.3%	6.7%	11,768
Security	0.2%	0.1%	343

160,829 delay minutes on 2,239 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 June 2026?

74.0% of 8,797 scheduled domestic departures left less than 15 minutes late, and 73.3% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 69.1% of 8,831 departures left on time and 1.6% were cancelled, against 74.0% and 0.8% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.