OnTimeRoutes
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Delta Air Lines SEA to MSP on-time performance

Delta Air Lines nonstop flights from Seattle to Minneapolis · Aug 2025 – Jul 2026

On-time arrivals
88%
arrived < 15 min late
Cancelled
0.8%
14 flights
Avg arrival delay
9 min
69 min when late
Rank on route
#1 of 2
route average 86% on time

Key facts

  • Delta Air Lines flights on SEA to MSP arrived on time 88% of the time in Aug 2025 – Jul 2026.
  • 0.8% were cancelled, and 4% arrived an hour or more late.
  • That ranks #1 of 2 airlines on this route, which averaged 86% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (55%).

On-time trend by month

70%85%100%July 2025: 84.9% on time, 0.0% cancelledJul ’25August 2025: 81.0% on time, 0.6% cancelledAug ’25September 2025: 95.3% on time, 0.0% cancelledSep ’25October 2025: 91.3% on time, 0.0% cancelledOct ’25November 2025: 87.9% on time, 1.4% cancelledNov ’25December 2025: 84.7% on time, 0.7% cancelledDec ’25January 2026: 88.7% on time, 0.9% cancelledJan ’26February 2026: 89.7% on time, 0.0% cancelledFeb ’26March 2026: 92.3% on time, 4.4% cancelledMar ’26April 2026: 90.5% on time, 0.7% cancelledApr ’26May 2026: 91.7% on time, 1.4% cancelledMay ’26June 2026: 86.4% on time, 0.0% cancelledJun ’26July 2026: 84.3% on time, 0.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)55%
  • Late-arriving aircraft30%
  • Air traffic control & airport congestion10%
  • Extreme weather6%
  • Security0%

Other airlines on SEA to MSP

1,742 Delta Air Lines flights tracked on this route; 14 cancelled, 3 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.