Skip to content
WanderNerd
Check a flight

Flight Reliability

DL 2644 · Delta Air Lines

Minneapolis → Houston (MSP–IAH)94% of its flights flew this route. The rest (IAH–MSP, DTW–BHM) are included in these numbers.

77
Usually Fine
WanderNerd Reliability Score
76%
Arrive within 15 minutes
8 min
Average arrival delay
0.9%
Cancelled
5 min early
Median arrival delay

Based on 326 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 2644 departing between 6–9 PM arrived on time 83% of the time, versus 71% between 3–6 PM.

Sunday scaries are real for this one.

DL 2644 arrived on time 88% of the time on Thursdays and just 59% on Sundays. That gap is worth planning around.

A bit behind the MSP–IAH route.

DL 2644 arrived on time 76% of the time, versus 81% across the MSP–IAH route.

A bit behind the Delta Air Lines network.

DL 2644 arrived on time 76% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon84%(51 flights)
  • Tue70%(50 flights)
  • Wed75%(51 flights)
  • Thu88%(50 flights)
  • Fri81%(48 flights)
  • Sat72%(29 flights)
  • Sun59%(41 flights)
On-time by departure window
  • 12–3 PM77%(243 flights)
  • 3–6 PM71%(59 flights)
  • 6–9 PM83%(18 flights)
On-time trend by month
84%
May

Jun 59% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%27
July 202570%27
August 202566%29
September 202593%30
October 202577%26
November 202564%25
December 202571%38
January 202691%33
February 202693%14
March 202675%20
April 202677%26
May 202684%25
Departures on time
77%
Diverted
0.9%
Flights flown
320
Months covered
12

Same route, other flights

Keep nerding

Based on 326 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.