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Route Reliability

Phoenix → Birmingham

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

84
Pretty Reliable
WanderNerd Reliability Score
76%
Arrive within 15 minutes
9 min
Average arrival delay
0%
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 76% of the time across 237 flights. No comparison to make.

What the data says

Morning flights do better here.

PHX–BHM flights departing between 6–9 AM arrived on time 83% of the time, versus 71% between 12–3 PM.

Saturdays have been rough.

PHX–BHM flights arrived on time 94% of the time on Tuesdays and just 62% on Saturdays. That gap is worth planning around.

It basically never cancels.

Out of 237 scheduled flights, only 0.0% were cancelled.

Trending in the right direction.

PHX–BHM flights arrived on time 75% of the time over the last three months in the data, compared with 65% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon69%(45 flights)
  • Tue94%(17 flights)
  • Wed93%(14 flights)
  • Thu70%(43 flights)
  • Fri79%(47 flights)
  • Sat62%(21 flights)
  • Sun78%(50 flights)
On-time by departure window
  • 6–9 AM83%(18 flights)
  • 9 AM–12 PM80%(94 flights)
  • 12–3 PM71%(102 flights)
  • 3–6 PM74%(23 flights)
On-time trend by month
78%
May

Jun 65% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%26
July 202585%27
August 202588%17
September 202588%17
October 202582%17
November 202565%17
December 202580%15
February 202650%18
March 202669%29
April 202677%22
May 202678%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.