Columbus (CMH) to Boston (BOS): On-Time Performance
Data through May 2026
The calendar drives reliability on CMH–BOS. April 2025 flights landed on schedule 93% of the time, but September 2025 dropped to 66% — a gap of 27 points. Across the full period the route averages 84% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 72%), which matters most in the rough months.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 11 min
- completed flights
- Cancelled
- 1.4%
- Flights/day
- 5.5
- last 12 months
- Duration
- 2h 2m
- scheduled
- Distance
- 640 mi
Best airline from CMH to BOS
3 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 86% | 9 min | 1.4% | 3,493 |
| Envoy Air | 68% | 25 min | 0.8% | 389 |
| Spirit Airlines | 67% | 22 min | 2.3% | 132 |
Monthly on-time trend
Best time to fly from CMH to BOS
Aim for departures around 9 a.m. (96% on-time); avoid 3 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 15 min |
| Tuesdaybest | 89% | 7 min |
| Wednesday | 85% | 9 min |
| Thursday | 82% | 12 min |
| Friday | 82% | 13 min |
| Saturday | 88% | 8 min |
| Sunday | 83% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft25%
- Airline operations21%
- National airspace system49%
- Weather5%
Frequently asked questions
- How often are flights from CMH to BOS delayed?
- 16% of CMH–BOS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 11 minutes.
- Which airline is most reliable from CMH to BOS?
- Republic Airways has the best on-time record on this route at 86%, based on 3,493 flights. 3 airlines flew CMH–BOS frequently enough to compare in this period.
- What is the best time of day to fly from CMH to BOS?
- Departures around 9 a.m. have the best record (96% on-time), while departures around 3 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CMH to BOS?
- The scheduled CMH–BOS flight time averages 2h 2m over 640 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are CMH to BOS flights cancelled?
- 1.4% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from CMH to BOS?
- September 2025 was the roughest month in this dataset, with only 66% of arrivals on time. The best was April 2025 at 93%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
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Based on 4,014 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.