OnTimeRoutes
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Republic Airways ORD to CHA on-time performance

Republic Airways nonstop flights from Chicago to Chattanooga · Aug 2025 – Jul 2026Regional airline operating flights for American Eagle, Delta Connection and United Express.

On-time arrivals
65%
arrived < 15 min late
Cancelled
5.2%
14 flights
Avg arrival delay
30 min
84 min when late
Rank on route
#3 of 3
route average 70% on time

Key facts

  • Republic Airways flights on ORD to CHA arrived on time 65% of the time in Aug 2025 – Jul 2026.
  • 5.2% were cancelled, and 12% arrived an hour or more late.
  • That ranks #3 of 3 airlines on this route, which averaged 70% on time overall.
  • The largest source of delay minutes was late-arriving aircraft (37%).

On-time trend by month

40%70%100%October 2025: 62.0% on time, 2.0% cancelledOct ’25November 2025: 67.3% on time, 6.8% cancelledNov ’25December 2025: 60.0% on time, 5.4% cancelledDec ’25January 2026: 72.3% on time, 6.0% cancelledJan ’26February 2026: 68.2% on time, 0.0% cancelledFeb ’26March 2026: 66.7% on time, 25.0% cancelledMar ’26April 2026: 100.0% on time, 0.0% cancelledApr ’26May 2026: 66.7% on time, 0.0% cancelledMay ’26June 2026: 100.0% on time, 0.0% cancelledJun ’26July 2026: 51.9% on time, 10.0% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Late-arriving aircraft37%
  • Airline (crew, maintenance, cleaning, fueling)27%
  • Extreme weather18%
  • Air traffic control & airport congestion17%
  • Security0%

Other airlines on ORD to CHA

269 Republic Airways flights tracked on this route; 14 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.