Delta Air Lines ATL to CHA on-time performance
Delta Air Lines nonstop flights from Atlanta to Chattanooga · Aug 2025 – Jul 2026
On-time arrivals
83%
arrived < 15 min late
Cancelled
2.2%
28 flights
Avg arrival delay
11 min
63 min when late
Rank on route
#1 of 2
route average 82% on time
Key facts
- Delta Air Lines flights on ATL to CHA arrived on time 83% of the time in Aug 2025 – Jul 2026.
- 2.2% were cancelled, and 6% arrived an hour or more late.
- That ranks #1 of 2 airlines on this route, which averaged 82% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (42%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)42%
- Late-arriving aircraft40%
- Air traffic control & airport congestion14%
- Extreme weather4%
- Security0%
Other airlines on ATL to CHA
- SkyWest Airlines57% on time · 38 min avg delay
Full ATL to CHA comparison →
Delta Air Lines on-time record across all routes →
1,287 Delta Air Lines flights tracked on this route; 28 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.