Route on-time record
ATL to CMH: most on-time flights and the best time to fly
Atlanta (Hartsfield Jackson Atlanta International Airport) to Columbus (John Glenn Columbus International Airport). 3,199 nonstop flights in Jun 2025 to May 2026, 79% arrived within 15 minutes and 1.6% were cancelled. The most reliable flight number was Delta 1479 at 8:30 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
ATL → CMH
Atlanta to Columbus: 3,199 nonstop flights a year
On time (12 months)
79%
Cancelled
1.6%
avg delay 13 min
Best time to leave
Before 9 AM
91% on time vs 73% 6 to 9 PM
Most reliable airline
Delta
79% 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 1479
8:30 AM → 10:01 AM1h 31m nonstop
Local times, typical schedule. Last flown 2026-05-29.
88%
chance on time
- On time (history)
- 91%
- Cancelled
- 1.9%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (260 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 91% on time; 6 to 9 PM: 73%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 260 flights
Find Delta 1479 fares Opens this date on Aviasales#2 · Delta 2200
1:59 PM → 3:26 PM1h 34m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 1.5%
- Avg arrival delay
- 7 min
- Arrived on time 87% of the time (334 flights, Jun 2025 to May 2026).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 334 flights
Find Delta 2200 fares Opens this date on Aviasales#3 · Delta 1522
10:10 AM → 11:51 AM1h 38m nonstop
Local times, typical schedule. Last flown 2026-05-31.
85%
chance on time
- On time (history)
- 87%
- Cancelled
- 1.7%
- Avg arrival delay
- 9 min
- Arrived on time 87% of the time (343 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 343 flights
Find Delta 1522 fares Opens this date on Aviasales#4 · Delta 1750
2:17 PM → 3:52 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
82%
chance on time
- On time (history)
- 84%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 84% of the time (25 flights, Jun 2025 to May 2026).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (25 flights), so its score leans on the airline's record at this hour.
Limited track record · 25 flights
Find Delta 1750 fares Opens this date on Aviasales#5 · Southwest 956
3:50 PM → 5:25 PM1h 33m nonstop
Local times, typical schedule. Last flown 2026-04-05.
78%
chance on time
- On time (history)
- 90%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 90% of the time (10 flights, Jun 2025 to May 2026).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- Short track record (10 flights), so its score leans on the airline's record at this hour.
Limited track record · 10 flights
Find Southwest 956 fares Opens this date on Aviasales#6 · Delta 2892
6:59 PM → 8:25 PM1h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 693; its record covers all of them.
78%
chance on time
- On time (history)
- 79%
- Cancelled
- 1.1%
- Avg arrival delay
- 12 min
- Arrived on time 79% of the time (347 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 73% on time; Before 9 AM: 91%).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 347 flights
Find Delta 2892 fares Opens this date on Aviasales#7 · Delta 426
3:52 PM → 5:19 PM1h 27m nonstop
Local times, typical schedule. Last flown 2026-04-12.
77%
chance on time
- On time (history)
- 77%
- Cancelled
- 0.0%
- Avg arrival delay
- 18 min
- Arrived on time 77% of the time (31 flights, Jun 2025 to May 2026).
- Never cancelled in 31 scheduled flights.
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
- 65% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 31 flights
Find Delta 426 fares Opens this date on Aviasales#8 · Delta 1459
10:52 PM → 12:24 AM1h 32m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Delta 1322; its record covers all of them.
75%
chance on time
- On time (history)
- 76%
- Cancelled
- 1.8%
- Avg arrival delay
- 15 min
- Arrived on time 76% of the time (370 flights, Jun 2025 to May 2026).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 370 flights
Find Delta 1459 fares Opens this date on Aviasales#9 · Delta 2786
6:05 PM → 7:43 PM1h 34m nonstop
Local times, typical schedule. Last flown 2026-05-30.
73%
chance on time
- On time (history)
- 74%
- Cancelled
- 1.1%
- Avg arrival delay
- 15 min
- Arrived on time 74% of the time (265 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 73% on time; Before 9 AM: 91%).
- Departs inside ATL's trouble window: 59% of its 96 ground stops and delay programs started between 1 PM and 7 PM.
Strong track record · 265 flights
Find Delta 2786 fares Opens this date on Aviasales#10 · Delta 1501
8:59 PM → 10:27 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
69%
chance on time
- On time (history)
- 70%
- Cancelled
- 1.4%
- Avg arrival delay
- 17 min
- Arrived on time 70% of the time (279 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (6 to 9 PM: 73% on time; Before 9 AM: 91%).
- Departs outside ATL's trouble window (1 PM to 7 PM, when 59% of its 96 ground stops and delay programs started).
Strong track record · 279 flights
Find Delta 1501 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Delta Air Lines79%
2,704 flights · 81% on time as flown · 1.6% cancel
- Southwest Airlines78%
332 flights · 78% on time as flown · 0.9% cancel
- Spirit Airlines76%
36 flights · 66% on time as flown · 1.8% cancel
- Frontier Airlines60%
127 flights · 54% on time as flown · 2.3% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM91%
343 flights · avg delay 5 min
- 9 AM to noon83%
541 flights · avg delay 11 min
- Noon to 3 PM84%
659 flights · avg delay 9 min
- 3 to 6 PM74%
694 flights · avg delay 15 min
- 6 to 9 PM73%
506 flights · avg delay 16 min
- After 9 PM74%
456 flights · avg delay 17 min
Best day: Wednesday (88%). Worst: Sunday (76%).
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)46%
- Late-arriving aircraft35%
- Air traffic control and airport volume13%
- Severe weather5%
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
ATL to CMH questions
- What time of day is best to fly ATL to CMH?
- Before 9 AM: 91% of flights arrived on time, against 73% for departures 6 to 9 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 ATL to CMH?
- Delta, with a season-adjusted 79% chance of operating and arriving on time over 2,704 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 ATL to CMH?
- July (70% on time); the best was October (90%), 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 ATL
- CMH to ATL (return)
- ATL to LGA 73%
- ATL to MCO 69%
- ATL to FLL 69%
- ATL to DCA 69%
- ATL to DFW 73%
- ATL to ORD 71%
- ATL to EWR 72%
- ATL to MIA 70%
- ATL to TPA 71%
- ATL to PHL 73%
- ATL to DEN 76%
- ATL to BWI 74%
Live status: FAA delays and ground stops