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Route Reliability

Birmingham → Phoenix

BHM–PHX · 1,455 miles · Birmingham–Shuttlesworth International Airport to Phoenix Sky Harbor International Airport

85
Pretty Reliable
WanderNerd Reliability Score
80%
Arrive within 15 minutes
4 min
Average arrival delay
0.4%
Cancelled
237
Flights in the data

Data through May 2026.

Southwest Airlines is the only airline in this data on this route, arriving on time 80% of the time across 237 flights. No comparison to make.

What the data says

6–9 PM has a slight edge.

Departures between 6–9 PM arrived on time 83% of the time, against 77% between 3–6 PM.

Mondays have been rough.

BHM–PHX flights arrived on time 93% of the time on Wednesdays and just 76% on Mondays. That gap is worth planning around.

Trending in the right direction.

BHM–PHX flights arrived on time 82% of the time over the last three months in the data, compared with 71% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon76%(45 flights)
  • Tue77%(17 flights)
  • Wed93%(14 flights)
  • Thu83%(42 flights)
  • Fri78%(46 flights)
  • Sat76%(21 flights)
  • Sun82%(50 flights)
On-time by departure window
  • 9 AM–12 PM78%(87 flights)
  • 12–3 PM81%(53 flights)
  • 3–6 PM77%(31 flights)
  • 6–9 PM83%(64 flights)
On-time trend by month
91%
May

Jun 84% → May 91% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202584%25
July 202589%27
August 202581%16
September 202582%17
October 202571%17
November 202565%17
December 202587%15
February 202661%18
March 202676%29
April 202677%22
May 202691%23

Keep nerding

Based on 237 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.