Chattanooga (CHA) to Atlanta (ATL): On-Time Performance
Data through July 2026
When you fly CHA to ATL matters as much as anything else about the booking: the route swung from 97% on-time in February 2026 to just 66% in July 2026. Across the full period the route averages 85% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 77%), which matters most in the rough months.
- On-time
- 85%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.8%
- Flights/day
- 3.7
- last 12 months
- Duration
- 59m
- scheduled
- Distance
- 106 mi
Best airline from CHA to ATL
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 86% | 13 min | 2.0% | 2,479 |
| Endeavor Air | 85% | 13 min | 0.8% | 759 |
| SkyWest Airlines | 74% | 30 min | 2.6% | 304 |
Monthly on-time trend
Best time to fly from CHA to ATL
Aim for departures around 9 a.m. (96% on-time); avoid 7 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 85% | 15 min |
| Tuesday | 84% | 12 min |
| Wednesdaybest | 89% | 9 min |
| Thursday | 86% | 16 min |
| Friday | 86% | 14 min |
| Saturday | 85% | 16 min |
| Sunday | 78% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations45%
- National airspace system13%
- Weather9%
Frequently asked questions
- How often are flights from CHA to ATL delayed?
- 15% of CHA–ATL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from CHA to ATL?
- Delta Air Lines has the best on-time record on this route at 86%, based on 2,479 flights. 3 airlines flew CHA–ATL frequently enough to compare in this period.
- What is the best time of day to fly from CHA to ATL?
- Departures around 9 a.m. have the best record (96% on-time), while departures around 7 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHA to ATL?
- The scheduled CHA–ATL flight time averages 59m over 106 miles. Actual arrival times vary — flights on this route land 15+ minutes late 15% of the time.
- How often are CHA to ATL flights cancelled?
- 1.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from CHA to ATL?
- July 2026 was the roughest month in this dataset, with only 66% of arrivals on time. The best was February 2026 at 97%. If your dates are flexible, that 31-point gap is worth planning around.
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Based on 3,542 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.