ON TIMEBOARD

BWI → CVG on time

Baltimore/Washington (Baltimore, MD) to Cincinnati Northern Kentucky (Cincinnati, OH). Every scheduled flight, September 2025 to August 2026.

On time
79%
arrived < 15 min late
Cancelled
2.2%
721 flights
Typical arrival
−4 min
median vs schedule
When late
+53 min
average delay
Flights / day
2
1 airline

79% of flights from Baltimore to Cincinnati arrived on time over the past 12 months. That is about the typical U.S. route. The 10 a.m. departures ran on time 92% of the time; the 10 p.m. ones 65%. 8% 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 BWI → CVG: when a flight was late, it was under 45 minutes late 60% of the time. About 1 in 18 flights landed an hour or more late, and 1 in 240 three hours or more; 2.2% were cancelled outright.

Share of all 721 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Southwest Airlines72179%2.2%−4 min5.5%+53 minSouthwest 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 BWI). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%10 a.m. departures: 92% on time (120 flights)9210a11 a.m. departures: 90% on time (126 flights)9011anoon departures: too few flights (20 flights)12p1 p.m. departures: too few flights (11 flights)1p2 p.m. departures: too few flights (29 flights)2p3 p.m. departures: too few flights (45 flights)3p4 p.m. departures: too few flights (9 flights)4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights6p7 p.m. departures: too few flights (5 flights)7p8 p.m. departures: too few flights (95 flights)8p9 p.m. departures: 72% on time (114 flights)729p10 p.m. departures: 65% on time (141 flights)6510p
BWI → CVG, 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

Last flight of the day

On BWI → CVG, each airline's last flight of the day was cancelled 3.9% of the time, against 0.3% for its earlier flights (14.1× as often). It arrived 3+ hours late 0.3% of the time (earlier flights: 0.6%). 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
Southwest Airlines9:40 p.m.3.9%0.3%0.3%first flight 12:05 p.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.

If you need to be in CVG tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: November (88%). Worst: May (63%).

40%70%100%Jan: 78% on time (180 flights)78JanFeb: 85% on time (159 flights)85FebMar: 76% on time (180 flights)76MarApr: 82% on time (179 flights)82AprMay: 63% on time (184 flights)63MayJun: 72% on time (181 flights)72JunJul: 65% on time (186 flights)65JulAug: 75% on time (189 flights)75AugSep: 83% on time (195 flights)83SepOct: 83% on time (205 flights)83OctNov: 88% on time (186 flights)88NovDec: 78% on time (195 flights)78Dec

By day of week

DayFlightsOn timeCancelled
Monday10678%1.9%
Tuesday10485%1.9%
Wednesday10488%0.0%
Thursday10373%2.9%
Friday10380%1.9%
Saturday96——
Sunday10570%3.8%

Why flights were late

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

Late inbound plane 48%Airline (crew, maintenance, ops) 34%Air traffic & airport (NAS) 16%Security 1%Severe weather 1%

Cancellations: airline 10 · weather 6

Month by month

Not enough months with data to draw a trend.

Worst days in the past year

DateFlightsOn timeCancelled
Nov 30, 2025333%0

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Baltimore or Cincinnati. None has been clearly more reliable than BWI → CVG.

RouteFlightsOn timeCancelled
BWI → CVG (this route)72179%2.2%
IAD → CVG Washington Dulles to Cincinnati Northern Kentucky1,20578%1.4%
DCA → CVG Washington Reagan National to Cincinnati Northern Kentucky2,01965%3.5%

Questions

How often are flights from BWI to CVG on time?

79% of 721 scheduled flights from Baltimore, MD to Cincinnati, OH arrived within 15 minutes of schedule between September 2025 and August 2026. 2.2% were cancelled.

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

Flights scheduled to leave at 10 a.m. were the most reliable (92% on time). The 10 p.m. departures were the least (65%).

What month has the most delays from BWI to CVG?

May (63% on time). The best month is November (88%), over 2023–2026.

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

Yes. Each airline's last BWI–CVG flight of the day was cancelled 3.9% of the time over the past year, against 0.3% 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.