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Flight Reliability

DL 889 · Delta Air Lines

Minneapolis → Seattle (MSP–SEA)99% of its flights flew this route. The rest (LAS–SEA) are included in these numbers.

89
Pretty Reliable
WanderNerd Reliability Score
87%
Arrive within 15 minutes
6 min early
Average arrival delay
1.1%
Cancelled
12 min early
Median arrival delay

Based on 351 historical flights. Data through May 2026.

What the data says

Sunday scaries are real for this one.

DL 889 arrived on time 92% of the time on Thursdays and just 77% on Sundays. That gap is worth planning around.

A bit ahead of the MSP–SEA route.

DL 889 arrived on time 87% of the time, versus 82% across the MSP–SEA route.

A bit ahead of the Delta Air Lines network.

DL 889 arrived on time 87% of the time, versus 81% across the Delta Air Lines network.

Trending in the right direction.

DL 889 arrived on time 86% of the time over the last three months in the data, compared with 75% in the three months before that.

The breakdown

On-time by weekday
  • Mon90%(52 flights)
  • Tue88%(50 flights)
  • Wed84%(50 flights)
  • Thu92%(52 flights)
  • Fri88%(51 flights)
  • Sat88%(43 flights)
  • Sun77%(48 flights)
On-time by departure window
  • 9 AM–12 PM87%(342 flights)
  • 12–3 PM—(1 flights)
  • 3–6 PM—(3 flights)
On-time trend by month
87%
May

Jun 90% → May 87% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202584%31
August 202597%31
September 202597%30
October 2025100%31
November 202590%30
December 202565%31
January 202674%23
February 202686%22
March 202674%27
April 202697%29
May 202687%31
Departures on time
92%
Diverted
0.3%
Flights flown
346
Months covered
12

Same route, other flights

Keep nerding

Based on 351 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.