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

Baltimore, MD (BWI) to Miami, FL (MIA) flight delay odds

72.9% of 2,286 official scheduled BWI-to-MIA flights arrived on time; 15.4% arrived at least 30 minutes late and 2.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
72.9%arrived on time
15.4%30+ min late
2.1%cancelled
2,286scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.7%all scheduled flights
120+ minutes late3.5%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+10.3 mincompleted flights

Which departure time was most reliable for BWI to MIA?

Among qualifying BWI-to-MIA departure window results, Early morning had the highest on-time rate: 83.6% of 795 flights. Evening was lowest at 62.7% across 806 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning79583.6%7.3%1.5%
Late morning28078.9%10.0%2.5%
Afternoon39267.6%18.9%2.6%
Evening80662.7%23.7%2.4%

Which weekday was most reliable for BWI to MIA?

Among qualifying BWI-to-MIA weekday results, Tuesday had the highest on-time rate: 79.3% of 290 flights. Sunday was lowest at 63.1% across 350 flights.

DayFlightsOn time30+ minCancelled
Monday32673.6%11.7%4.0%
Tuesday29079.3%11.7%0.3%
Wednesday28077.9%13.2%1.1%
Thursday32275.8%14.3%0.9%
Friday33070.9%16.4%1.5%
Saturday38872.2%17.3%1.8%
Sunday35063.1%21.7%4.6%

Which airline was most reliable for BWI to MIA?

Among qualifying BWI-to-MIA airline results, Envoy Air had the highest on-time rate: 81.6% of 114 flights. Spirit Airlines was lowest at 59.5% across 37 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,18170.9%15.7%1.9%
American Airlines68978.1%12.6%2.3%
Frontier Airlines26566.8%22.3%3.4%
Envoy Air11481.6%10.5%0.0%
Spirit Airlines3759.5%21.6%2.7%

Which month was most reliable for BWI to MIA?

Among qualifying BWI-to-MIA month results, September 2025 had the highest on-time rate: 89.0% of 155 flights. July 2025 was lowest at 56.6% across 189 flights.

MonthFlightsOn time30+ minCancelled
July 202518956.6%30.2%4.8%
August 202519766.0%22.8%0.5%
September 202515589.0%2.6%0.0%
October 202517882.0%11.8%0.6%
November 202518375.4%12.6%3.3%
December 202521867.4%17.0%1.8%
January 202621371.4%14.6%6.1%
February 202618373.2%14.2%3.3%
March 202618072.8%12.8%3.3%
April 202620779.2%10.1%0.5%
May 202620476.5%13.2%0.5%
June 202617969.3%20.7%0.0%

What drove BWI to MIA delay minutes?

Late aircraft was the largest recorded BWI-to-MIA delay category, accounting for 39.4% of 41,183 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.0%
Late aircraft39.4%
National airspace24.0%
Weather7.2%
Security0.4%
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.