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

Miami, FL (MIA) to San Diego, CA (SAN) flight delay odds

Historically, 74.6% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 618 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
74.6%arrived on time
15.5%30+ min late
1.1%cancelled
618scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.7%all scheduled flights
120+ minutes late1.5%all scheduled flights
Diverted0.6%did not reach as scheduled
Average arrival+1.7 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 morning10588.6%2.9%1.0%
Late morning14888.5%7.4%1.4%
Evening35264.2%23.0%1.1%

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
Monday8977.5%14.6%1.1%
Tuesday9081.1%10.0%2.2%
Wednesday8779.3%6.9%1.1%
Thursday8868.2%22.7%0.0%
Friday8870.5%14.8%1.1%
Saturday8871.6%19.3%0.0%
Sunday8873.9%20.5%2.3%

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 Airlines61874.6%15.5%1.1%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 20253164.5%29.0%0.0%
August 20253177.4%12.9%0.0%
September 20253040.0%46.7%0.0%
October 20255777.2%14.0%0.0%
November 20256086.7%8.3%1.7%
December 20254780.9%4.3%2.1%
January 20266282.3%4.8%6.5%
February 20265680.4%16.1%0.0%
March 20266288.7%9.7%0.0%
April 20266068.3%15.0%0.0%
May 20266264.5%21.0%0.0%
June 20266065.0%23.3%1.7%

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.

Airline30.3%
Late aircraft29.1%
National airspace33.7%
Weather6.3%
Security0.6%
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.