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Flight Reliability

DL 2647 · Delta Air Lines

San Diego → Minneapolis (SAN–MSP)85% of its flights flew this route. The rest (RDU–ATL, ATL–MSY) are included in these numbers.

96
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
3 min early
Average arrival delay
0.6%
Cancelled
12 min early
Median arrival delay

Based on 323 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

DL 2647 departing between 6–9 PM arrived on time 100% of the time, versus 86% between 3–6 PM.

Thursday is the weak spot.

DL 2647 arrived on time 93% of the time on Saturdays. On Thursdays: 85%.

Better than the Delta Air Lines network average.

DL 2647 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

Recent months have been rougher.

DL 2647 arrived on time 87% of the time over the last three months in the data, compared with 96% in the three months before that.

The breakdown

On-time by weekday
  • Mon92%(47 flights)
  • Tue91%(45 flights)
  • Wed91%(43 flights)
  • Thu85%(47 flights)
  • Fri92%(49 flights)
  • Sat93%(42 flights)
  • Sun92%(48 flights)
On-time by departure window
  • 6–9 AM90%(201 flights)
  • 9 AM–12 PM92%(78 flights)
  • 3–6 PM86%(28 flights)
  • 6–9 PM100%(14 flights)
On-time trend by month
80%
May

Jun 80% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%30
July 202584%31
August 202597%31
September 202593%30
October 202594%31
November 202593%29
December 202595%39
February 2026100%13
March 202686%29
April 202693%30
May 202680%20
Departures on time
94%
Diverted
0%
Flights flown
321
Months covered
12

Same route, other flights

Keep nerding

Based on 323 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.