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

Houston, TX (IAH) to Jacksonville, FL (JAX) flight delay odds

75.7% of 717 official scheduled IAH-to-JAX flights arrived on time; 15.9% arrived at least 30 minutes late and 0.4% 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
75.7%arrived on time
15.9%30+ min late
0.4%cancelled
717scheduled 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 late3.1%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+8.6 mincompleted flights

Which departure time was most reliable for IAH to JAX?

Among qualifying IAH-to-JAX departure window results, Early morning had the highest on-time rate: 89.9% of 69 flights. Afternoon was lowest at 70.6% across 269 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning6989.9%7.2%0.0%
Afternoon26970.6%17.8%0.7%
Evening37276.6%16.1%0.3%

Which weekday was most reliable for IAH to JAX?

Among qualifying IAH-to-JAX weekday results, Tuesday had the highest on-time rate: 85.6% of 97 flights. Sunday was lowest at 65.0% across 103 flights.

DayFlightsOn time30+ minCancelled
Monday10476.9%16.3%1.0%
Tuesday9785.6%8.2%0.0%
Wednesday10476.9%13.5%1.0%
Thursday10673.6%17.0%0.0%
Friday10577.1%15.2%0.0%
Saturday9875.5%16.3%0.0%
Sunday10365.0%24.3%1.0%

Which airline was most reliable for IAH to JAX?

Only United Airlines met the IAH-to-JAX airline threshold: 76.3% of 692 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines69276.3%15.6%0.4%
SkyWest Airlines2560.0%24.0%0.0%

Which month was most reliable for IAH to JAX?

Among qualifying IAH-to-JAX month results, January 2026 had the highest on-time rate: 91.8% of 61 flights. July 2025 was lowest at 50.0% across 56 flights.

MonthFlightsOn time30+ minCancelled
July 20255650.0%32.1%1.8%
August 20253666.7%19.4%2.8%
September 20253691.7%5.6%0.0%
October 20256886.8%7.4%0.0%
November 20258883.0%12.5%0.0%
December 20256374.6%22.2%0.0%
January 20266191.8%3.3%1.6%
February 20265676.8%17.9%0.0%
March 20266271.0%16.1%0.0%
April 20266182.0%8.2%0.0%
May 20267566.7%20.0%0.0%
June 20265565.5%27.3%0.0%

What drove IAH to JAX delay minutes?

Late aircraft was the largest recorded IAH-to-JAX delay category, accounting for 45.3% of 11,064 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.6%
Late aircraft45.3%
National airspace16.1%
Weather14.0%
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.