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

Miami, FL (MIA) to Jacksonville, FL (JAX) flight delay odds

73.4% of 1,526 official scheduled MIA-to-JAX flights arrived on time; 17.2% arrived at least 30 minutes late and 0.9% 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
73.4%arrived on time
17.2%30+ min late
0.9%cancelled
1,526scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late8.2%all scheduled flights
120+ minutes late2.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+10.8 mincompleted flights

Which departure time was most reliable for MIA to JAX?

Among qualifying MIA-to-JAX departure window results, Early morning had the highest on-time rate: 93.0% of 341 flights. Night was lowest at 61.7% across 457 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning34193.0%4.1%0.0%
Afternoon27372.2%17.6%0.7%
Evening44770.7%19.0%1.8%
Night45761.7%25.4%0.7%

Which weekday was most reliable for MIA to JAX?

Among qualifying MIA-to-JAX weekday results, Tuesday had the highest on-time rate: 78.6% of 220 flights. Sunday was lowest at 60.9% across 215 flights.

DayFlightsOn time30+ minCancelled
Monday22376.7%15.2%2.2%
Tuesday22078.6%14.1%0.9%
Wednesday20978.0%14.4%0.0%
Thursday21576.7%15.8%0.0%
Friday21968.9%21.0%0.5%
Saturday22573.8%16.9%0.4%
Sunday21560.9%23.3%1.9%

Which airline was most reliable for MIA to JAX?

Among qualifying MIA-to-JAX airline results, Envoy Air had the highest on-time rate: 83.6% of 701 flights. American Airlines was lowest at 64.6% across 805 flights.

AirlineFlightsOn time30+ minCancelled
American Airlines80564.6%23.6%1.0%
Envoy Air70183.6%9.8%0.7%
Republic Airways2070.0%20.0%0.0%

Which month was most reliable for MIA to JAX?

Among qualifying MIA-to-JAX month results, November 2025 had the highest on-time rate: 83.1% of 148 flights. July 2025 was lowest at 63.5% across 156 flights.

MonthFlightsOn time30+ minCancelled
July 202515663.5%24.4%1.9%
August 202513167.2%23.7%0.0%
September 202511876.3%13.6%0.0%
October 202514178.7%16.3%0.0%
November 202514883.1%8.1%4.1%
December 202513574.8%11.9%0.0%
January 202612974.4%18.6%1.6%
February 202611377.9%15.9%0.0%
March 20269969.7%16.2%2.0%
April 202611478.1%17.5%0.0%
May 202612268.0%18.9%0.0%
June 202612069.2%21.7%0.0%

What drove MIA to JAX delay minutes?

Late aircraft was the largest recorded MIA-to-JAX delay category, accounting for 44.9% of 24,335 BTS-attributed delay minutes during July 2025–June 2026.

Airline32.2%
Late aircraft44.9%
National airspace15.0%
Weather7.9%
Security0.0%
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.