Route on-time record
CHA to ATL: most on-time flights and the best time to fly
Chattanooga (Chattanooga Metropolitan Airport (Lovell Field)) to Atlanta (Hartsfield Jackson Atlanta International Airport). 1,330 nonstop flights in Jun 2025 to May 2026, 86% arrived within 15 minutes and 2.5% were cancelled. The most reliable flight number was Delta 3039 at 6:45 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CHA → ATL
Chattanooga to Atlanta: 1,330 nonstop flights a year
On time (12 months)
86%
Cancelled
2.5%
avg delay 13 min
Best time to leave
Before 9 AM
93% on time vs 77% 3 to 6 PM
Most reliable airline
Delta
84% chance on time
Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Most reliable nonstop flights
Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.
#1 · Delta 3039
6:45 AM → 7:39 AM55m nonstop
Local times, typical schedule. Last flown 2026-05-31.
90%
chance on time
- On time (history)
- 93%
- Cancelled
- 3.3%
- Avg arrival delay
- 10 min
- Arrived on time 93% of the time (146 flights, Jun 2025 to May 2026).
- Cancelled 3.3% of the time (5 of 151).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 3 to 6 PM: 77%).
Moderate track record · 146 flights
Find Delta 3039 fares Opens this date on Aviasales#2 · Delta 1507
5:40 AM → 6:31 AM51m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 20 min
- Arrived on time 88% of the time (25 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 93% on time; 3 to 6 PM: 77%).
Limited track record · 25 flights
Find Delta 1507 fares Opens this date on Aviasales#3 · Delta 3141
2:51 PM → 3:44 PM53m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
- On time (history)
- 79%
- Cancelled
- 5.0%
- Avg arrival delay
- 9 min
- Arrived on time 79% of the time (19 flights, Jun 2025 to May 2026).
- Lands inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Limited track record · 19 flights
Find Delta 3141 fares Opens this date on Aviasales#4 · Delta 1506
6:25 PM → 7:29 PM1h 04m nonstop
Local times, typical schedule. Last flown 2026-05-31.
76%
chance on time
- On time (history)
- 70%
- Cancelled
- 4.8%
- Avg arrival delay
- 54 min
- Arrived on time 70% of the time (20 flights, Jun 2025 to May 2026).
- 57% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 20 flights
Find Delta 1506 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines84%
1,330 flights · 86% on time as flown · 2.5% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM93%
546 flights · avg delay 10 min
- 9 AM to noon90%
201 flights · avg delay 7 min
- Noon to 3 PM79%
60 flights · avg delay 10 min
- 3 to 6 PM77%
274 flights · avg delay 18 min
- 6 to 9 PM78%
249 flights · avg delay 23 min
Best day: Wednesday (90%). Worst: Sunday (82%).
On time by month
All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.
What delays this route
- Late-arriving aircraft44%
- Airline (crew, maintenance, boarding)41%
- Air traffic control and airport volume11%
- Severe weather4%
Share of delay minutes by the cause airlines report to the US DOT.
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure
CHA to ATL questions
- What time of day is best to fly CHA to ATL?
- Before 9 AM: 93% of flights arrived on time, against 77% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
- Which airline is most on time from CHA to ATL?
- Delta, with a season-adjusted 84% chance of operating and arriving on time over 1,330 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
- What is the worst month for delays on CHA to ATL?
- July (80% on time); the best was October (92%), averaged over Jun 2023 to May 2026.
- Is this a prediction for my flight?
- No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.
More routes from CHA
Live status: FAA delays and ground stops