Charlotte (CLT) to Boston (BOS): On-Time Performance
Data through May 2026
Charlotte (CLT) to Boston (BOS) effectively runs on two schedules. In January 2025, 85% of arrivals were on time; in September 2025 that fell to 60% — a 25-point seasonal swing. Across the full period the route averages 75% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 65%), which matters most in the rough months.
- On-time
- 75%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 2.0%
- Flights/day
- 11
- last 12 months
- Duration
- 2h 16m
- scheduled
- Distance
- 728 mi
Best airline from CLT to BOS
5 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Republic Airwaysmost reliable | 81% | 14 min | 2.1% | 2,788 |
| JetBlue Airways | 76% | 24 min | 1.2% | 248 |
| American Airlines | 72% | 19 min | 1.8% | 5,639 |
| Frontier Airlines | 68% | 27 min | 1.3% | 150 |
| Spirit Airlines | 58% | 33 min | 5.6% | 161 |
Monthly on-time trend
Best time to fly from CLT to BOS
Aim for departures around 6 a.m. (91% on-time); avoid 10 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 19 min |
| Tuesdaybest | 80% | 15 min |
| Wednesday | 79% | 13 min |
| Thursday | 70% | 20 min |
| Friday | 72% | 21 min |
| Saturday | 79% | 17 min |
| Sunday | 71% | 22 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations27%
- National airspace system26%
- Weather8%
Frequently asked questions
- How often are flights from CLT to BOS delayed?
- 25% of CLT–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 18 minutes.
- Which airline is most reliable from CLT to BOS?
- Republic Airways has the best on-time record on this route at 81%, based on 2,788 flights. 5 airlines flew CLT–BOS frequently enough to compare in this period.
- What is the best time of day to fly from CLT to BOS?
- Departures around 6 a.m. have the best record (91% on-time), while departures around 10 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CLT to BOS?
- The scheduled CLT–BOS flight time averages 2h 16m over 728 miles. Actual arrival times vary — flights on this route land 15+ minutes late 25% of the time.
- How often are CLT to BOS flights cancelled?
- 2% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, slightly above the national rate of 1.6%.
- What is the worst month to fly from CLT to BOS?
- September 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was January 2025 at 85%. If your dates are flexible, that 25-point gap is worth planning around.
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Based on 8,991 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.