OnTimeRoutes
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Spirit Airlines SAT to DTW on-time performance

Spirit Airlines nonstop flights from San Antonio to Detroit · Aug 2025 – Jul 2026

On-time arrivals
90%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
31 min
306 min when late
Rank on route
#2 of 2
route average 91% on time

Key facts

  • Spirit Airlines flights on SAT to DTW arrived on time 90% of the time in Aug 2025 – Jul 2026.
  • 0% were cancelled, and 10% arrived an hour or more late.
  • That ranks #2 of 2 airlines on this route, which averaged 91% on time overall.
  • The largest source of delay minutes was air traffic control & airport congestion (95%).

On-time trend by month

80%90%100%July 2025: 100.0% on time, 0.0% cancelledJul ’25August 2025: 90.0% on time, 0.0% cancelledAug ’25
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Air traffic control & airport congestion95%
  • Airline (crew, maintenance, cleaning, fueling)5%
  • Late-arriving aircraft0%
  • Extreme weather0%
  • Security0%

Other airlines on SAT to DTW

10 Spirit Airlines flights tracked on this route; 0 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.