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Flight Reliability

DL 1303 · Delta Air Lines

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

63
A Little Dicey
WanderNerd Reliability Score
66%
Arrive within 15 minutes
26 min
Average arrival delay
0.8%
Cancelled
0 min
Median arrival delay

Based on 372 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

DL 1303 departing between 9 AM–12 PM arrived on time 100% of the time, versus 64% between 6–9 PM.

Thursdays have been rough.

DL 1303 arrived on time 78% of the time on Tuesdays and just 59% on Thursdays. That gap is worth planning around.

Lagging the DTW–MSP route.

DL 1303 arrived on time 66% of the time, versus 79% across the DTW–MSP route.

Well behind the Delta Air Lines network.

DL 1303 arrived on time 66% of the time, versus 81% across the Delta Air Lines network.

The breakdown

On-time by weekday
  • Mon60%(52 flights)
  • Tue78%(54 flights)
  • Wed62%(50 flights)
  • Thu59%(49 flights)
  • Fri65%(54 flights)
  • Sat69%(54 flights)
  • Sun68%(56 flights)
On-time by departure window
  • 9 AM–12 PM100%(11 flights)
  • 12–3 PM100%(11 flights)
  • 6–9 PM64%(347 flights)
On-time trend by month
84%
May

Jun 63% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202563%30
July 202555%31
August 202510%31
September 202560%30
October 202558%31
November 202586%29
December 202583%35
January 202673%33
February 202679%28
March 202667%30
April 202673%30
May 202684%31
Departures on time
66%
Diverted
0%
Flights flown
369
Months covered
12

Same route, other flights

Keep nerding

Based on 372 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.