Route on-time record
CMH to ATL: most on-time flights and the best time to fly
Columbus (John Glenn Columbus International Airport) to Atlanta (Hartsfield Jackson Atlanta International Airport). 3,199 nonstop flights in Jun 2025 to May 2026, 86% arrived within 15 minutes and 1.7% were cancelled. The most reliable flight number was Delta 2469 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CMH → ATL
Columbus to Atlanta: 3,199 nonstop flights a year
On time (12 months)
86%
Cancelled
1.7%
avg delay 12 min
Best time to leave
9 AM to noon
91% on time vs 78% 6 to 9 PM
Most reliable airline
Spirit
87% 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 2469
6:00 AM → 7:45 AM1h 41m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 91%
- Cancelled
- 2.5%
- Avg arrival delay
- 9 min
- Arrived on time 91% of the time (352 flights, Jun 2025 to May 2026).
Strong track record · 352 flights
Find Delta 2469 fares Opens this date on Aviasales#2 · Delta 1479
11:10 AM → 12:51 PM1h 41m nonstop
Local times, typical schedule. Last flown 2026-05-30.
89%
chance on time
- On time (history)
- 90%
- Cancelled
- 2.0%
- Avg arrival delay
- 8 min
- Arrived on time 90% of the time (299 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (9 AM to noon: 91% on time; 6 to 9 PM: 78%).
Strong track record · 299 flights
Find Delta 1479 fares Opens this date on Aviasales#3 · Delta 2909
7:07 AM → 8:55 AM1h 48m nonstop
Local times, typical schedule. Last flown 2026-05-31.
89%
chance on time
- On time (history)
- 90%
- Cancelled
- 1.9%
- Avg arrival delay
- 7 min
- Arrived on time 90% of the time (308 flights, Jun 2025 to May 2026).
Strong track record · 308 flights
Find Delta 2909 fares Opens this date on Aviasales#4 · Delta 3165
8:05 AM → 9:52 AM1h 47m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 90%
- Cancelled
- 1.1%
- Avg arrival delay
- 11 min
- Arrived on time 90% of the time (176 flights, Jun 2025 to May 2026).
Moderate track record · 176 flights
Find Delta 3165 fares Opens this date on Aviasales#5 · Delta 2200
4:34 PM → 6:16 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 89%
- Cancelled
- 1.0%
- Avg arrival delay
- 13 min
- Arrived on time 89% of the time (297 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.
Strong track record · 297 flights
Find Delta 2200 fares Opens this date on Aviasales#6 · Delta 1522
12:49 PM → 2:29 PM1h 40m nonstop
Local times, typical schedule. Last flown 2026-05-31.
86%
chance on time
- On time (history)
- 88%
- Cancelled
- 1.4%
- Avg arrival delay
- 17 min
- Arrived on time 88% of the time (353 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.
Strong track record · 353 flights
Find Delta 1522 fares Opens this date on Aviasales#7 · Delta 426
6:24 PM → 8:14 PM1h 50m nonstop
Local times, typical schedule. Last flown 2026-04-12.
86%
chance on time
- On time (history)
- 88%
- Cancelled
- 1.2%
- Avg arrival delay
- 9 min
- Arrived on time 88% of the time (84 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 78% on time; 9 AM to noon: 91%).
Moderate track record · 84 flights
Find Delta 426 fares Opens this date on Aviasales#8 · Southwest 757
1:15 PM → 2:50 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 0.0%
- Avg arrival delay
- 19 min
- Arrived on time 87% of the time (23 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.
- 87% of its delay minutes came from the plane arriving late from an earlier flight.
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 757 fares Opens this date on Aviasales#9 · Delta 2192
8:33 AM → 10:15 AM1h 42m nonstop
Local times, typical schedule. Last flown 2026-05-06. Same departure also flew as Delta 1453; its record covers all of them.
84%
chance on time
- On time (history)
- 85%
- Cancelled
- 3.5%
- Avg arrival delay
- 6 min
- Arrived on time 85% of the time (55 flights, Jun 2025 to May 2026).
- Cancelled 3.5% of the time (2 of 57).
- Short track record (55 flights), so its score leans on the airline's record at this hour.
Limited track record · 55 flights
Find Delta 2192 fares Opens this date on Aviasales#10 · Southwest 3322
1:00 PM → 2:35 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
83%
chance on time
- On time (history)
- 75%
- Cancelled
- 0.0%
- Avg arrival delay
- 6 min
- Arrived on time 75% of the time (8 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.
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3322 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Spirit Airlines87%
37 flights · 92% on time as flown · 1.9% cancel
- Delta Air Lines86%
2,703 flights · 87% on time as flown · 1.7% cancel
- Southwest Airlines82%
332 flights · 83% on time as flown · 1.1% cancel
- Frontier Airlines61%
127 flights · 52% on time as flown · 2.7% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM89%
1,022 flights · avg delay 10 min
- 9 AM to noon91%
485 flights · avg delay 7 min
- Noon to 3 PM83%
764 flights · avg delay 16 min
- 3 to 6 PM85%
477 flights · avg delay 13 min
- 6 to 9 PM78%
451 flights · avg delay 16 min
Best day: Wednesday (90%). Worst: Sunday (83%).
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
- Airline (crew, maintenance, boarding)38%
- Late-arriving aircraft38%
- Air traffic control and airport volume21%
- Severe weather3%
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
CMH to ATL questions
- What time of day is best to fly CMH to ATL?
- 9 AM to noon: 91% of flights arrived on time, against 78% for departures 6 to 9 PM.
- Which airline is most on time from CMH to ATL?
- Spirit, with a season-adjusted 87% chance of operating and arriving on time over 37 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 CMH to ATL?
- January (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 CMH
- ATL to CMH (return)
- CMH to ORD 74%
- CMH to LGA 78%
- CMH to MCO 78%
- CMH to DCA 68%
- CMH to CLT 83%
- CMH to BOS 81%
- CMH to EWR 82%
- CMH to DEN 78%
- CMH to DFW 78%
- CMH to JFK 83%
- CMH to DTW 85%
- CMH to PHL 78%
Live status: FAA delays and ground stops