ON TIMEBOARD

CVG → ATL on time

Cincinnati Northern Kentucky (Cincinnati, OH) to Atlanta Hartsfield-Jackson (Atlanta, GA). Every scheduled flight, September 2025 to August 2026.

On time
84%
arrived < 15 min late
Cancelled
1.2%
3,012 flights
Typical arrival
−11 min
median vs schedule
When late
+73 min
average delay
Flights / day
8
2 airlines

84% of flights from Cincinnati to Atlanta arrived on time over the past 12 months. That is better than the typical U.S. route. The 6 a.m. departures ran on time 95% of the time; the 2 p.m. ones 72%. Most reliable airline: Delta Air Lines (85%). 7% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for CVG → ATL: when a flight was late, it was under 45 minutes late 49% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 94 three hours or more; 1.2% were cancelled outright.

Share of all 3,012 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Delta Air Lines2,71585%1.2%−12 min5.3%+70 minDelta Air Lines
Frontier Airlines29775%1.0%−4 min8.8%+89 minFrontier Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at CVG). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%5 a.m. departures: 94% on time (160 flights)945a6 a.m. departures: 95% on time (214 flights)956a7 a.m. departures: 89% on time (292 flights)897a8 a.m. departures: 88% on time (183 flights)888a9 a.m. departures: 91% on time (152 flights)919a10 a.m. departures: 85% on time (186 flights)8510a11 a.m. departures: too few flights (51 flights)11anoon departures: 84% on time (319 flights)8412p1 p.m. departures: 83% on time (227 flights)831p2 p.m. departures: 72% on time (287 flights)722p3 p.m. departures: too few flights (76 flights)3p4 p.m. departures: 79% on time (305 flights)794p5 p.m. departures: 78% on time (143 flights)785p6 p.m. departures: 87% on time (225 flights)876p7 p.m. departures: 76% on time (157 flights)767p8 p.m. departures: too few flights (33 flights)8p
CVG → ATL, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsDelta Air LinesFrontier Airlines
5 a.m.94%—
6 a.m.95%—
7 a.m.89%—
8 a.m.88%—
9 a.m.91%—
10 a.m.85%—
noon91%77%
1 p.m.84%—
2 p.m.73%—
4 p.m.79%—
5 p.m.77%—
6 p.m.87%—
7 p.m.80%—

Last flight of the day

On CVG → ATL, each airline's last flight of the day was cancelled 1.1% of the time, against 1.2% for its earlier flights, about the same. It arrived 3+ hours late 1.1% of the time (earlier flights: 0.9%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
Delta Air Lines5:48 p.m.1.1%1.1%1.2%first flight 5:34 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: October (94%). Worst: July (75%).

40%70%100%Jan: 81% on time (621 flights)81JanFeb: 87% on time (593 flights)87FebMar: 84% on time (707 flights)84MarApr: 86% on time (718 flights)86AprMay: 83% on time (757 flights)83MayJun: 82% on time (779 flights)82JunJul: 75% on time (824 flights)75JulAug: 85% on time (807 flights)85AugSep: 92% on time (775 flights)92SepOct: 94% on time (802 flights)94OctNov: 90% on time (689 flights)90NovDec: 85% on time (680 flights)85Dec

By day of week

DayFlightsOn timeCancelled
Monday46781%1.5%
Tuesday40087%0.5%
Wednesday39989%0.3%
Thursday46088%0.0%
Friday45783%1.8%
Saturday36886%1.4%
Sunday46179%2.8%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Late inbound plane 46%Air traffic & airport (NAS) 27%Airline (crew, maintenance, ops) 23%Severe weather 4%

Cancellations: airline 20 · weather 16

Month by month

60%80%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 90% on time, 0.0% cancelledOct 2023: 92% on time, 0.4% cancelledNov 2023: 93% on time, 0.0% cancelledDec 2023: 95% on time, 0.0% cancelledJan 2024: 81% on time, 0.5% cancelledFeb 2024: 91% on time, 0.0% cancelledMar 2024: 91% on time, 0.4% cancelledApr 2024: 85% on time, 0.0% cancelledMay 2024: 82% on time, 1.2% cancelledJun 2024: 88% on time, 0.0% cancelledJul 2024: 68% on time, 6.2% cancelledAug 2024: 87% on time, 0.8% cancelledSep 2024: 87% on time, 0.4% cancelledOct 2024: 96% on time, 0.0% cancelledNov 2024: 92% on time, 0.0% cancelledDec 2024: 82% on time, 0.4% cancelledJan 2025: 78% on time, 4.9% cancelledFeb 2025: 83% on time, 0.0% cancelledMar 2025: 86% on time, 0.4% cancelledApr 2025: 86% on time, 1.3% cancelledMay 2025: 81% on time, 0.4% cancelledJun 2025: 76% on time, 3.7% cancelledJul 2025: 81% on time, 0.4% cancelledAug 2025: 87% on time, 1.1% cancelledSep 2025: 97% on time, 0.0% cancelledOct 2025: 92% on time, 0.0% cancelledNov 2025: 86% on time, 0.8% cancelledDec 2025: 77% on time, 2.5% cancelledJan 2026: 85% on time, 4.7% cancelledFeb 2026: 86% on time, 0.9% cancelledMar 2026: 76% on time, 2.4% cancelledApr 2026: 86% on time, 2.1% cancelledMay 2026: 85% on time, 0.4% cancelledJun 2026: 83% on time, 0.4% cancelledJul 2026: 76% on time, 1.1% cancelledAug 2026: 81% on time, 0.0% cancelled
Share of flights on time, by month (hover a point for cancellations)
CVG → ATL, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
DL 24416:00 a.m.35895%0.6%−15 minDelta Air Lines
DL 23027:05 a.m.30389%0.7%−10 minDelta Air Lines
DL 30768:05 a.m.19287%1.0%−11 minDelta Air Lines
DL 96310:00 a.m.20585%5.4%−13 minDelta Air Lines
F9 184612:53 p.m.12871%0.0%−4 minFrontier Airlines
DL 31692:50 p.m.13368%0.0%−2 minDelta Air Lines
DL 10085:48 p.m.15376%0.0%−10 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Mar 16, 202680%2
Jan 25, 2026813%6
Dec 7, 2025922%1
Aug 7, 2026922%0
Dec 14, 2025922%0

Questions

How often are flights from CVG to ATL on time?

84% of 3,012 scheduled flights from Cincinnati, OH to Atlanta, GA arrived within 15 minutes of schedule between September 2025 and August 2026. 1.2% were cancelled.

What is the best time of day to fly CVG to ATL?

Flights scheduled to leave at 6 a.m. were the most reliable (95% on time). The 2 p.m. departures were the least (72%).

Which airline is most on time from CVG to ATL?

Delta Air Lines: 85% of its 2,715 flights on the route arrived on time. Frontier Airlines: 75%.

What month has the most delays from CVG to ATL?

July (75% on time). The best month is October (94%), over 2023–2026.

Is the last flight of the day from CVG to ATL more likely to be cancelled?

Not much. Each airline's last CVG–ATL flight of the day was cancelled 1.1% of the time over the past year, against 1.2% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.