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WanderNerd

Route Reliability

Houston → Jacksonville

IAHJAX · 816 miles · George Bush Intercontinental Airport to Jacksonville International Airport

83
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
6 min
Average arrival delay
0.8%
Cancelled
1,288
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 79% of the time across 1,288 flights. No comparison to make.

What the data says

Morning flights do better here.

IAH–JAX flights departing between 6–9 AM arrived on time 89% of the time, versus 62% between 3–6 PM.

Sunday scaries are real for this one.

IAH–JAX flights arrived on time 83% of the time on Tuesdays. On Sundays: 72%.

Slipping a little lately.

IAH–JAX flights arrived on time 79% of the time over the last three months in the data, compared with 85% in the three months before that.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon77%(184 flights)
  • Tue83%(178 flights)
  • Wed82%(180 flights)
  • Thu79%(184 flights)
  • Fri82%(185 flights)
  • Sat81%(180 flights)
  • Sun72%(185 flights)
On-time by departure window
  • 6–9 AM89%(358 flights)
  • 9 AM–12 PM(1 flights)
  • 12–3 PM75%(451 flights)
  • 3–6 PM62%(105 flights)
  • 6–9 PM80%(361 flights)
On-time trend by month
73%
May

Jun 63% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%117
July 202566%121
August 202577%109
September 202590%94
October 202584%119
November 202586%114
December 202579%121
January 202693%95
February 202684%83
March 202679%92
April 202685%91
May 202673%120

Based on 1,288 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.