Republic Airways STL to PHL on-time performance
Republic Airways nonstop flights from St. Louis to Philadelphia · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.
On-time arrivals
85%
arrived < 15 min late
Cancelled
1.0%
1 flights
Avg arrival delay
17 min
112 min when late
Rank on route
#1 of 4
route average 80% on time
Key facts
- Republic Airways flights on STL to PHL arrived on time 85% of the time in Aug 2025 – Jul 2026.
- 1% were cancelled, and 9% arrived an hour or more late.
- That ranks #1 of 4 airlines on this route, which averaged 80% on time overall.
- The largest source of delay minutes was late-arriving aircraft (62%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft62%
- Extreme weather16%
- Airline (crew, maintenance, cleaning, fueling)13%
- Air traffic control & airport congestion9%
- Security0%
Other airlines on STL to PHL
- Southwest Airlines75% on time · 16 min avg delay
- American Airlines84% on time · 22 min avg delay
- PSA Airlines85% on time · 13 min avg delay
Full STL to PHL comparison →
Republic Airways on-time record across all routes →
96 Republic Airways flights tracked on this route; 1 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.