On-Time Report

Airports › Miami (MIA) › January 2026

Airport month · January 2026

Miami International in January 2026

70.1%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 January 2026, reporting carriers scheduled 10,439 domestic departures from Miami International (MIA). 70.1% left less than 15 minutes late and 72.0% reached their destination on time; 5.0% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so MIA departures were 5.5 points below the national departure figure.

A year earlier, in January 2025, the airport had 10,182 departures with 76.2% leaving on time: a change of −6.1 points, with flights up 3%.

Flights arriving at MIA that month were on time 72.6% of the time (10,435 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 41%, late-arriving aircraft 40% and national aviation system 14%.

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

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

MeasureJan 2026Jan 2025MIA, 12 months to Jul 2026All reported flights, Jan 2026
Departed on time70.1%76.2%72.9%75.6%
Arrived on time72.0%75.9%72.3%75.3%
Cancelled5.0%2.1%1.6%4.7%
Average departure delay (late minutes only)20.6 min15.7 min19.7 min16.7 min
Scheduled departures a day34833930518,133
Scheduled departures10,43910,182111,186544,003

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AA American Airlines5,91757%68.8%13.1 min6.6%
MQ Envoy Air1,40613%81.6%-1.7 min1.9%
DL Delta Air Lines1,06710%72.4%11.7 min3.1%
UA United Airlines7057%81.3%3.0 min1.6%
WN Southwest Airlines4664%77.5%1.8 min3.0%
F9 Frontier Airlines3633%72.7%2.5 min4.1%
NK Spirit Airlines3563%63.2%16.3 min6.7%
YX Republic Airline951%62.1%16.1 min9.5%
AS Alaska Airlines641%73.4%4.5 min1.6%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
MIA–LGAMiami to New York56369.6%12.5 min6.9%
MIA–ATLMiami to Atlanta54973.2%12.3 min2.7%
MIA–DFWMiami to Dallas/Fort Worth43566.9%20.5 min9.7%
MIA–ORDMiami to Chicago41570.1%16.2 min3.4%
MIA–JFKMiami to New York38263.9%19.3 min7.1%
MIA–EWRMiami to Newark38173.8%2.7 min6.0%
MIA–IAHMiami to Houston34282.7%-2.3 min2.3%
MIA–DCAMiami to Washington34167.4%9.7 min8.5%
MIA–MCOMiami to Orlando33169.8%13.7 min3.0%
MIA–CLTMiami to Charlotte32867.7%15.4 min8.2%
MIA–BOSMiami to Boston30571.5%14.4 min7.2%
MIA–LAXMiami to Los Angeles29971.2%16.4 min3.3%

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), January 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2026Minutes
Air carrier40.6%37.3%73,742
Late-arriving aircraft39.7%35.0%72,200
National Aviation System14.4%18.0%26,255
Extreme weather4.9%9.6%8,911
Security0.3%0.1%636
181,744 delay minutes on 2,369 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2025February 2026 →

Questions and answers

How many flights left MIA on time in January 2026?

70.1% of 10,439 scheduled domestic departures left less than 15 minutes late, and 72.0% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 76.2% of 10,182 departures left on time and 2.1% were cancelled, against 70.1% and 5.0% in January 2026.

Provenance

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