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WanderNerd

Route Reliability

Houston → Savannah

IAHSAV · 851 miles · George Bush Intercontinental Airport to Savannah/Hilton Head International Airport

84
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
3 min
Average arrival delay
1.4%
Cancelled
921
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 82% of the time across 921 flights. No comparison to make.

What the data says

Morning-you made the right choice.

IAH–SAV flights departing between 9 AM–12 PM arrived on time 87% of the time, versus 76% between 6–9 PM.

Sunday scaries are real for this one.

IAH–SAV flights arrived on time 89% of the time on Saturdays. On Sundays: 77%.

Slipping a little lately.

IAH–SAV flights arrived on time 83% of the time over the last three months in the data, compared with 87% 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%(133 flights)
  • Tue82%(127 flights)
  • Wed86%(129 flights)
  • Thu79%(129 flights)
  • Fri83%(132 flights)
  • Sat89%(123 flights)
  • Sun77%(133 flights)
On-time by departure window
  • 6–9 AM(1 flights)
  • 9 AM–12 PM87%(203 flights)
  • 12–3 PM85%(337 flights)
  • 3–6 PM84%(19 flights)
  • 6–9 PM76%(346 flights)
On-time trend by month
88%
May

Jun 56% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202556%57
July 202558%60
August 202581%62
September 202593%60
October 202579%68
November 202591%88
December 202581%89
January 202690%79
February 202691%80
March 202675%91
April 202688%90
May 202688%82

Based on 921 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.