American Airlines ORD to MDT on-time performance
American Airlines nonstop flights from Chicago to Harrisburg · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
4.5%
12 flights
Avg arrival delay
34 min
100 min when late
Rank on route
#5 of 5
route average 74% on time
Key facts
- American Airlines flights on ORD to MDT arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 4.5% were cancelled, and 15% arrived an hour or more late.
- That ranks #5 of 5 airlines on this route, which averaged 74% on time overall.
- The largest source of delay minutes was late-arriving aircraft (58%).
On-time trend by month
Why this airline's flights were late
- Late-arriving aircraft58%
- Airline (crew, maintenance, cleaning, fueling)30%
- Air traffic control & airport congestion8%
- Extreme weather4%
- Security0%
Other airlines on ORD to MDT
- Envoy Air78% on time · 15 min avg delay
- United Airlines70% on time · 23 min avg delay
- Republic Airways80% on time · 13 min avg delay
- SkyWest Airlines69% on time · 25 min avg delay
Full ORD to MDT comparison →
American Airlines on-time record across all routes →
264 American Airlines flights tracked on this route; 12 cancelled, 1 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.