BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
LGAMIA

New York, NY (LGA) to Miami, FL (MIA) flight delay odds

Historically, 67.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 6,006 flights.

HISTORICAL ROUTE SIGNALHigher disruption
67.4%arrived on time
20.5%30+ min late
4.1%cancelled
6,006scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late12.0%all scheduled flights
120+ minutes late5.2%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+15.4 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning1,44984.2%7.3%4.1%
Late morning1,24168.1%19.0%3.2%
Afternoon1,41661.2%26.6%2.6%
Evening1,83559.1%27.0%5.5%
Night6552.3%24.6%15.4%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday87262.2%22.7%9.1%
Tuesday89571.4%16.6%4.2%
Wednesday86072.4%17.4%2.9%
Thursday86567.4%22.1%2.0%
Friday86971.6%19.7%1.6%
Saturday76673.1%16.6%2.6%
Sunday87954.7%27.8%6.3%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines3,54968.6%19.7%3.7%
Delta Air Lines1,91667.0%20.8%4.0%
Spirit Airlines41861.5%24.4%6.9%
Frontier Airlines11960.5%24.4%10.1%
Republic Airways475.0%25.0%0.0%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202548059.0%25.4%7.7%
August 202549569.5%21.4%1.6%
September 202547774.4%17.4%0.2%
October 202548366.0%23.4%1.9%
November 202546862.2%26.7%3.8%
December 202553259.4%25.0%4.1%
January 202656369.6%15.5%7.3%
February 202651971.1%13.5%7.9%
March 202657558.4%26.3%8.5%
April 202651574.2%17.1%0.8%
May 202645773.3%17.7%1.8%
June 202644274.2%16.1%2.3%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline20.8%
Late aircraft48.5%
National airspace25.8%
Weather4.7%
Security0.2%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.