Columbus (CMH) to Baltimore (BWI): On-Time Performance
Data through July 2026
Columbus (CMH) to Baltimore (BWI) effectively runs on two schedules. In April 2025, 97% of arrivals were on time; in July 2024 that fell to 80% — a 16-point seasonal swing. Across the full period the route averages 89% on-time against a national 78%. Morning departures also hold up better than evening ones (96% vs 70%), which matters most in the rough months.
- On-time
- 89%
- arrived <15 min late
- Avg delay
- 9 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 2.9
- last 12 months
- Duration
- 1h 21m
- scheduled
- Distance
- 337 mi
Monthly on-time trend
Best time to fly from CMH to BWI
Aim for departures around 5 a.m. (97% on-time); avoid 8 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 90% | 7 min |
| Tuesdaybest | 92% | 6 min |
| Wednesday | 90% | 8 min |
| Thursday | 87% | 9 min |
| Friday | 88% | 8 min |
| Saturday | 89% | 10 min |
| Sunday | 84% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft55%
- Airline operations24%
- National airspace system19%
- Weather3%
Frequently asked questions
- How often are flights from CMH to BWI delayed?
- 12% of CMH–BWI flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 9 minutes.
- What is the best time of day to fly from CMH to BWI?
- Departures around 5 a.m. have the best record (97% on-time), while departures around 8 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to BWI?
- The scheduled CMH–BWI flight time averages 1h 21m over 337 miles. Actual arrival times vary — flights on this route land 15+ minutes late 12% of the time.
- How often are CMH to BWI flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from CMH to BWI?
- July 2024 was the roughest month in this dataset, with only 80% of arrivals on time. The best was April 2025 at 97%. If your dates are flexible, that 16-point gap is worth planning around.
Explore related pages
More routes from CMH
Other ways to fly to Baltimore (BWI)
Related guides
Based on 2,238 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.