Route · ATL → CHA · 2020–2025 BTS data
Atlanta to Chattanooga
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), ATL to CHA (Atlanta to Chattanooga) ranks #749 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 87.3%
- On-time
- +8.3 pts
- vs US avg
- 75 min
- Delay when late
- 13,429
- Flights
- #749 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Feb 2024 96%
Worst Month
Jun 2025 58%
Distance
106 mi
Carriers
13
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 75 | 20 | 1 | 0 | DL |
| Nov 2025 | 118 | 23 | 1 | 0 | DL |
| Oct 2025 | 143 | 20 | 0 | 0 | DL |
| Sep 2025 | 137 | 14 | 0 | 0 | DL |
| Aug 2025 | 112 | 18 | 1 | 0 | DL |
| Jul 2025 | 159 | 39 | 4 | 0 | DL |
| Jun 2025 | 141 | 59 | 6 | 0 | DL |
| May 2025 | 81 | 26 | 0 | 0 | DL,OO |
| Apr 2025 | 131 | 34 | 0 | 0 | DL,OO |
| Mar 2025 | 141 | 26 | 1 | 0 | DL,OO |
| Feb 2025 | 106 | 19 | 0 | 0 | OO,DL |
| Jan 2025 | 136 | 31 | 7 | 0 | DL,OO |
| Dec 2024 | 234 | 44 | 1 | 0 | 9E,DL |
| Nov 2024 | 229 | 20 | 0 | 1 | 9E,DL |
| Oct 2024 | 241 | 15 | 0 | 0 | DL,9E |
| Sep 2024 | 211 | 21 | 1 | 0 | 9E,DL |
| Aug 2024 | 200 | 36 | 1 | 0 | DL,9E |
| Jul 2024 | 197 | 62 | 10 | 0 | 9E,DL |
| Jun 2024 | 195 | 19 | 0 | 0 | 9E,DL |
| May 2024 | 194 | 42 | 1 | 0 | 9E,DL |
| Apr 2024 | 176 | 28 | 0 | 0 | 9E,DL,OO |
| Mar 2024 | 181 | 23 | 0 | 0 | 9E,DL,OO |
| Feb 2024 | 165 | 7 | 0 | 0 | 9E,DL,OO |
| Jan 2024 | 169 | 32 | 3 | 1 | 9E,DL,OO |
ATL–CHA seasonal on-time pattern
Best: October (92.5%) · weakest: July (78.4%)
Strongest calendar month
October
92.5% on-time · ~209 flights/mo
Busiest calendar month
October
~209 flights/mo avg
Weakest calendar month
July
78.4% on-time · ~190 flights/mo
Cancellation Rate
1.0%
38 of 3,872 flights
Diversion Rate
0.1%
2 of 3,872 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ATL - Atlanta
Full on-time, delay-cause, and seasonal performance for Atlanta, GA.
ATL on-time profileCHA - Chattanooga
Full on-time, delay-cause, and seasonal performance for Chattanooga, TN.
CHA on-time profileCompare the two airports
See ATL and CHA side by side on delays, cancellations, and reliability.
Compare ATL vs CHAOrigin-hub reliability standing
Among ATL's stronger departures
ATL → CHA posts a 87.3% on-time rate, landing in the ≥85% band with 67 of 144 BTS-tracked routes leaving Atlanta. The same hub also shows 75 mid-band and 2 challenged departures · fleet-wide on-time rank #554 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to ATL–CHA.
Routes with a similar on-time rate
What the Data Says About ATL to CHA
Atlanta to Chattanooga (ATL to CHA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 87.3% on-time rate across 13,429 flights, with delays that do happen averaging 74.6 minutes. The corridor runs roughly 106 miles and is served by 13 carriers. Over the most recent 24 months, 38 of 3,872 flights were cancelled (1.0%) and 2 diverted (0.1%).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 96% on-time, while Jun 2025 came in at just 58% - a 38-point swing worth factoring into travel timing.
On the multi-year calendar, ATL–CHA peaks in October at 92.5% on-time ; the softest month is July at 78.4%, a 14.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does ATL to CHA rank among US routes by traffic? ▼
How often are flights delayed from ATL to CHA? ▼
What is the cancellation rate for ATL to CHA? ▼
How far is the flight from ATL to CHA? ▼
When is the best time to fly from ATL to CHA? ▼
Airports on this route
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Using ATL–CHA data
ATL–CHA runs 8.3 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare ATL and CHA airport profiles: delay causes and top routes differ even on the same corridor. ATL airport
- If your dates flex, October (92.5% on-time) beats July (78.4%) on this corridor. Seasonal chart
- 4 other routes post a similar 87.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.