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Route Reliability

Houston → Birmingham

HOU–BHM · 570 miles · William P. Hobby Airport to Birmingham–Shuttlesworth International Airport

82
Pretty Reliable
WanderNerd Reliability Score
77%
Arrive within 15 minutes
8 min
Average arrival delay
0.4%
Cancelled
459
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 77% of the time across 459 flights. No comparison to make.

What the data says

Morning flights do better here.

HOU–BHM flights departing between 9 AM–12 PM arrived on time 91% of the time, versus 59% between 6–9 PM.

Thursdays have been rough.

HOU–BHM flights arrived on time 87% of the time on Tuesdays and just 71% on Thursdays. That gap is worth planning around.

Recent months have been rougher.

HOU–BHM flights arrived on time 59% of the time over the last three months in the data, compared with 91% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon78%(51 flights)
  • Tue87%(52 flights)
  • Wed81%(53 flights)
  • Thu71%(52 flights)
  • Fri77%(52 flights)
  • Sat75%(80 flights)
  • Sun73%(115 flights)
On-time by departure window
  • 9 AM–12 PM91%(220 flights)
  • 12–3 PM64%(73 flights)
  • 3–6 PM64%(87 flights)
  • 6–9 PM59%(63 flights)
  • 9 PM–12 AM67%(12 flights)
On-time trend by month
64%
May

Jun 64% → May 64% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202564%42
July 202572%43
August 202588%40
September 202592%38
October 202580%39
November 202588%34
December 202591%33
January 202694%32
February 202687%31
March 202646%39
April 202668%40
May 202664%44

Same trip, other airports

Keep nerding

Based on 459 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.