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Flight Reliability

DL 2617 · Delta Air Lines

Houston → Minneapolis (IAH–MSP)91% of its flights flew this route. The rest (MSP–IAH) are included in these numbers.

72
Usually Fine
WanderNerd Reliability Score
72%
Arrive within 15 minutes
19 min
Average arrival delay
0.5%
Cancelled
6 min early
Median arrival delay

Based on 370 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

DL 2617 departing between 12–3 PM arrived on time 96% of the time, versus 70% between 6–9 PM.

Wednesdays have been rough.

DL 2617 arrived on time 81% of the time on Saturdays and just 64% on Wednesdays. That gap is worth planning around.

Lagging the IAH–MSP route.

DL 2617 arrived on time 72% of the time, versus 79% across the IAH–MSP route.

Lagging the Delta Air Lines network.

DL 2617 arrived on time 72% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon74%(53 flights)
  • Tue77%(53 flights)
  • Wed64%(53 flights)
  • Thu72%(53 flights)
  • Fri72%(54 flights)
  • Sat81%(42 flights)
  • Sun66%(58 flights)
On-time by departure window
  • 12–3 PM96%(23 flights)
  • 3–6 PM70%(276 flights)
  • 6–9 PM70%(67 flights)
On-time trend by month
73%
May

Jun 55% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%31
July 202549%35
August 202581%32
September 202580%30
October 202571%31
November 202576%29
December 202537%19
January 202688%25
February 202687%45
March 202679%33
April 202673%26
May 202673%30
Departures on time
71%
Diverted
0.5%
Flights flown
366
Months covered
12

Same route, other flights

Keep nerding

Based on 370 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.