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Flight Reliability

DL 536 · Delta Air Lines

Seattle → Minneapolis (SEA–MSP)96% of its flights flew this route. The rest (DFW–BOS) are included in these numbers.

97
Nerd Approved
WanderNerd Reliability Score
91%
Arrive within 15 minutes
4 min early
Average arrival delay
0.6%
Cancelled
8 min early
Median arrival delay

Based on 343 historical flights. Data through May 2026.

What the data says

Friday is doing you no favors.

DL 536 arrived on time 94% of the time on Thursdays. On Fridays: 86%.

A bit ahead of the SEA–MSP route.

DL 536 arrived on time 91% of the time, versus 86% across the SEA–MSP route.

Better than the Delta Air Lines network average.

DL 536 arrived on time 91% of the time, versus 81% across the Delta Air Lines network.

Ticking up lately.

DL 536 arrived on time 92% of the time over the last three months in the data, compared with 87% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(51 flights)
  • Tue94%(50 flights)
  • Wed92%(50 flights)
  • Thu94%(51 flights)
  • Fri86%(51 flights)
  • Sat88%(40 flights)
  • Sun94%(48 flights)
On-time by departure window
  • 6–9 AM90%(109 flights)
  • 9 AM–12 PM92%(232 flights)
On-time trend by month
97%
May

Jun 97% → May 97% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202597%30
July 202594%31
August 202587%31
September 202593%30
October 202590%31
November 202593%30
December 202582%28
January 202689%18
February 202691%22
March 202697%29
April 202683%30
May 202697%31
Departures on time
93%
Diverted
0%
Flights flown
341
Months covered
12

Same route, other flights

Keep nerding

Based on 343 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.