Route on-time record
CVG to BWI: most on-time flights and the best time to fly
Cincinnati / Covington (Cincinnati Northern Kentucky International Airport) to Baltimore (Baltimore/Washington International Thurgood Marshall Airport). 720 nonstop flights in Jun 2025 to May 2026, 85% arrived within 15 minutes and 1.4% were cancelled. The most reliable flight number was Southwest 3120 at 5:45 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
CVG → BWI
Cincinnati / Covington to Baltimore: 720 nonstop flights a year
On time (12 months)
85%
Cancelled
1.4%
avg delay 11 min
Best time to leave
Before 9 AM
94% on time vs 76% 3 to 6 PM
Most reliable airline
Southwest
84% chance on time
Lowest nonstop fare seen in the next two months: $366 (Southwest 1300 on 2026-10-25). 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 · Southwest 3120
5:45 AM → 7:15 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 3062; its record covers all of them.
93%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.0%
- Avg arrival delay
- 2 min
- Arrived on time 96% of the time (79 flights, Jun 2025 to May 2026).
- Never cancelled in 79 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 76%).
Moderate track record · 79 flights
Find Southwest 3120 fares Opens this date on Aviasales#2 · Southwest 208
6:15 AM → 7:50 AM1h 33m nonstop
Local times, typical schedule. Last flown 2026-05-31.
87%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 12 min
- Arrived on time 91% of the time (32 flights, Jun 2025 to May 2026).
- Never cancelled in 32 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 94% on time; 3 to 6 PM: 76%).
- 91% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 32 flights
Find Southwest 208 fares Opens this date on Aviasales#3 · Southwest 2748
4:00 PM → 5:30 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31.
79%
chance on time
- On time (history)
- 83%
- Cancelled
- 0.0%
- Avg arrival delay
- 14 min
- Arrived on time 83% of the time (30 flights, Jun 2025 to May 2026).
- Never cancelled in 30 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 94%).
- Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
Limited track record · 30 flights
Find Southwest 2748 fares Opens this date on Aviasales#4 · Southwest 4601
4:15 PM → 5:45 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
76%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.0%
- Avg arrival delay
- 31 min
- Arrived on time 74% of the time (27 flights, Jun 2025 to May 2026).
- Leaves in this route's least on-time window (3 to 6 PM: 76% on time; Before 9 AM: 94%).
- Lands inside BWI's trouble window: 81% of its 43 ground stops and delay programs started between 2 PM and 8 PM.
- Short track record (27 flights), so its score leans on the airline's record at this hour.
Limited track record · 27 flights
Find Southwest 4601 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines84%
720 flights · 85% on time as flown · 1.4% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM94%
361 flights · avg delay 4 min
- 3 to 6 PM76%
336 flights · avg delay 19 min
Best day: Tuesday (88%). Worst: Monday (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 aircraft48%
- Air traffic control and airport volume29%
- Airline (crew, maintenance, boarding)15%
- Severe weather7%
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
CVG to BWI questions
- What time of day is best to fly CVG to BWI?
- Before 9 AM: 94% of flights arrived on time, against 76% 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 CVG to BWI?
- Southwest, with a season-adjusted 84% chance of operating and arriving on time over 720 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 CVG to BWI?
- July (71% on time); the best was April (91%), 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 CVG
- BWI to CVG (return)
- CVG to ORD 70%
- CVG to ATL 86%
- CVG to BOS 79%
- CVG to CLT 79%
- CVG to MCO 79%
- CVG to DFW 74%
- CVG to DEN 81%
- CVG to PHL 78%
- CVG to DCA 62%
- CVG to MIA 79%
- CVG to FLL 76%
- CVG to MSP 85%
Live status: FAA delays and ground stops