OnTimeRoutes
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Spirit Airlines DTW to STL on-time performance

Spirit Airlines nonstop flights from Detroit to St. Louis · Aug 2025 – Jul 2026

On-time arrivals
89%
arrived < 15 min late
Cancelled
0.0%
0 flights
Avg arrival delay
16 min
156 min when late
Rank on route
#1 of 4
route average 77% on time

Key facts

  • Spirit Airlines flights on DTW to STL arrived on time 89% of the time in Aug 2025 – Jul 2026.
  • 0% were cancelled, and 11% arrived an hour or more late.
  • That ranks #1 of 4 airlines on this route, which averaged 77% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (65%).

On-time trend by month

60%80%100%July 2025: 76.5% on time, 0.0% cancelledJul ’25August 2025: 88.9% on time, 0.0% cancelledAug ’25September 2025: 100.0% on time, 0.0% cancelledSep ’25
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)65%
  • Late-arriving aircraft35%
  • Air traffic control & airport congestion0%
  • Extreme weather0%
  • Security0%

Other airlines on DTW to STL

Full DTW to STL comparison →
Spirit Airlines on-time record across all routes →

19 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.