OnTimeRoutes
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Delta Air Lines SEA to PSP on-time performance

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

On-time arrivals
83%
arrived < 15 min late
Cancelled
2.2%
4 flights
Avg arrival delay
10 min
53 min when late
Rank on route
#2 of 3
route average 83% on time

Key facts

  • Delta Air Lines flights on SEA to PSP arrived on time 83% of the time in Aug 2025 – Jul 2026.
  • 2.2% were cancelled, and 3% arrived an hour or more late.
  • That ranks #2 of 3 airlines on this route, which averaged 83% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (50%).

On-time trend by month

50%75%100%November 2025: 81.0% on time, 4.5% cancelledNov ’25December 2025: 86.7% on time, 3.2% cancelledDec ’25January 2026: 83.9% on time, 0.0% cancelledJan ’26February 2026: 85.2% on time, 3.6% cancelledFeb ’26March 2026: 66.7% on time, 3.2% cancelledMar ’26April 2026: 90.0% on time, 0.0% cancelledApr ’26May 2026: 100.0% on time, 0.0% cancelledMay ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion50%
  • Airline (crew, maintenance, cleaning, fueling)18%
  • Extreme weather17%
  • Late-arriving aircraft15%
  • Security0%

Other airlines on SEA to PSP

179 Delta Air Lines flights tracked on this route; 4 cancelled, 0 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.