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

Chicago, IL (MDW) to Jacksonville, FL (JAX) flight delay odds

72.8% of 397 official scheduled MDW-to-JAX flights arrived on time; 14.6% arrived at least 30 minutes late and 0.8% 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
72.8%arrived on time
14.6%30+ min late
0.8%cancelled
397scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.8%all scheduled flights
120+ minutes late2.8%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+10.2 mincompleted flights

Which departure time was most reliable for MDW to JAX?

Among qualifying MDW-to-JAX departure window results, Late morning had the highest on-time rate: 82.6% of 86 flights. Evening was lowest at 58.8% across 136 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning8682.6%8.1%1.2%
Afternoon15078.7%9.3%0.0%
Evening13658.8%25.7%1.5%

Which weekday was most reliable for MDW to JAX?

Among qualifying MDW-to-JAX weekday results, Tuesday had the highest on-time rate: 82.5% of 57 flights. Sunday was lowest at 62.3% across 61 flights.

DayFlightsOn time30+ minCancelled
Monday5673.2%17.9%1.8%
Tuesday5782.5%8.8%0.0%
Wednesday5578.2%9.1%0.0%
Thursday5565.5%18.2%0.0%
Friday5667.9%16.1%0.0%
Saturday5780.7%8.8%1.8%
Sunday6162.3%23.0%1.6%

Which airline was most reliable for MDW to JAX?

Only Southwest Airlines met the MDW-to-JAX airline threshold: 72.8% of 397 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines39772.8%14.6%0.8%

Which month was most reliable for MDW to JAX?

Among qualifying MDW-to-JAX month results, September 2025 had the highest on-time rate: 90.0% of 30 flights. June 2026 was lowest at 56.6% across 53 flights.

MonthFlightsOn time30+ minCancelled
July 20253969.2%17.9%0.0%
August 20253281.2%9.4%0.0%
September 20253090.0%3.3%0.0%
October 20253183.9%6.5%0.0%
November 20253070.0%13.3%6.7%
December 20253171.0%9.7%0.0%
January 20262788.9%7.4%0.0%
February 20262785.2%7.4%0.0%
March 20263557.1%31.4%2.9%
April 20263180.6%9.7%0.0%
May 20263158.1%25.8%0.0%
June 20265356.6%22.6%0.0%

What drove MDW to JAX delay minutes?

Late aircraft was the largest recorded MDW-to-JAX delay category, accounting for 54.7% of 5,871 BTS-attributed delay minutes during July 2025–June 2026.

Airline29.8%
Late aircraft54.7%
National airspace11.0%
Weather3.6%
Security0.9%
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.