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Route Reliability

Detroit → Birmingham

DTW–BHM · 625 miles · Detroit Metropolitan Wayne County Airport to Birmingham–Shuttlesworth International Airport

78
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
12 min
Average arrival delay
1.2%
Cancelled
808
Flights in the data

Data through May 2026.

Airlines on this route

  • Delta Air Lines76% on time · 784 flights
  • Spirit Airlines79% on time · 24 flights

Too little history on this route to call a winner. We rank airlines only after 100 flights each.

What the data says

The late departure is the smart one here.

DTW–BHM flights departing between 9 PM–12 AM arrived on time 100% of the time, versus 71% between 6–9 PM.

Friday is doing you no favors.

DTW–BHM flights arrived on time 84% of the time on Tuesdays. On Fridays: 70%.

Trending in the right direction.

DTW–BHM flights arrived on time 74% of the time over the last three months in the data, compared with 62% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon73%(135 flights)
  • Tue84%(111 flights)
  • Wed74%(111 flights)
  • Thu81%(120 flights)
  • Fri70%(129 flights)
  • Sat82%(74 flights)
  • Sun73%(117 flights)
On-time by departure window
  • 6–9 AM84%(165 flights)
  • 9 AM–12 PM78%(18 flights)
  • 12–3 PM—(6 flights)
  • 3–6 PM75%(321 flights)
  • 6–9 PM71%(273 flights)
  • 9 PM–12 AM100%(14 flights)
On-time trend by month
83%
May

Jun 65% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202565%82
July 202567%90
August 202581%95
September 202592%76
October 202591%87
November 202585%53
December 202560%48
January 202646%35
February 202681%42
March 202660%52
April 202680%56
May 202683%81

Keep nerding

Based on 808 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.