Skip to content
WanderNerd
Check a flight

Route Reliability

Houston → Atlanta

HOU–ATL · 696 miles · William P. Hobby Airport to Hartsfield–Jackson Atlanta International Airport

82
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
7 min
Average arrival delay
1.4%
Cancelled
2,953
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines84%1,436 flights
  2. 2.Southwest Airlines76%1,517 flights

What the data says

Morning flights do better here.

HOU–ATL flights departing between 3–6 AM arrived on time 93% of the time, versus 68% between 6–9 PM.

Sunday scaries are real for this one.

HOU–ATL flights arrived on time 84% of the time on Wednesdays. On Sundays: 76%.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 84% of the time on this route; Southwest Airlines managed 76%.

Recent months have been rougher.

HOU–ATL flights arrived on time 75% of the time over the last three months in the data, compared with 83% 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
  • Mon78%(439 flights)
  • Tue83%(412 flights)
  • Wed84%(408 flights)
  • Thu82%(434 flights)
  • Fri79%(436 flights)
  • Sat80%(342 flights)
  • Sun76%(434 flights)
On-time by departure window
  • 3–6 AM93%(70 flights)
  • 6–9 AM92%(489 flights)
  • 9 AM–12 PM86%(700 flights)
  • 12–3 PM78%(583 flights)
  • 3–6 PM74%(509 flights)
  • 6–9 PM68%(553 flights)
  • 9 PM–12 AM—(1 flights)
On-time trend by month
73%
May

Jun 69% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202569%258
July 202577%273
August 202581%262
September 202593%250
October 202585%255
November 202583%248
December 202582%250
January 202684%212
February 202684%197
March 202668%230
April 202684%234
May 202673%236

Same trip, other airports

Keep nerding

Based on 2,953 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.