Skip to content
WanderNerd
Check a flight

Route Reliability

Charleston → Houston

CHS–IAH · 925 miles · Charleston International Airport to George Bush Intercontinental Airport

88
Pretty Reliable
WanderNerd Reliability Score
85%
Arrive within 15 minutes
1 min
Average arrival delay
1.0%
Cancelled
698
Flights in the data

Data through May 2026.

United Airlines is the only airline in this data on this route, arriving on time 85% of the time across 698 flights. No comparison to make.

What the data says

Morning-you made the right choice.

CHS–IAH flights departing between 6–9 AM arrived on time 91% of the time, versus 79% between 3–6 PM.

Skip Saturday if you can.

CHS–IAH flights arrived on time 90% of the time on Tuesdays. On Saturdays: 81%.

Recent months have been rougher.

CHS–IAH flights arrived on time 83% of the time over the last three months in the data, compared with 91% 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
  • Mon87%(103 flights)
  • Tue90%(100 flights)
  • Wed86%(95 flights)
  • Thu85%(102 flights)
  • Fri83%(104 flights)
  • Sat81%(84 flights)
  • Sun82%(101 flights)
On-time by departure window
  • 6–9 AM91%(353 flights)
  • 3–6 PM79%(336 flights)
On-time trend by month
88%
May

Jun 71% → May 88% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%58
July 202577%61
August 202588%57
September 202596%52
October 202585%58
November 202585%59
December 202595%56
January 202689%56
February 202690%52
March 202679%61
April 202681%59
May 202688%60

Same trip, other airports

Keep nerding

Based on 698 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.