Delta Air Lines CHS to BOS on-time performance
Delta Air Lines nonstop flights from Charleston to Boston · Aug 2025 – Jul 2026
On-time arrivals
67%
arrived < 15 min late
Cancelled
3.7%
14 flights
Avg arrival delay
35 min
104 min when late
Rank on route
#3 of 3
route average 71% on time
Key facts
- Delta Air Lines flights on CHS to BOS arrived on time 67% of the time in Aug 2025 – Jul 2026.
- 3.7% were cancelled, and 14% arrived an hour or more late.
- That ranks #3 of 3 airlines on this route, which averaged 71% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft27%
- Air traffic control & airport congestion27%
- Extreme weather2%
- Security0%
Other airlines on CHS to BOS
- JetBlue71% on time · 24 min avg delay
- Republic Airways84% on time · 16 min avg delay
Full CHS to BOS comparison →
Delta Air Lines on-time record across all routes →
379 Delta Air Lines flights tracked on this route; 14 cancelled, 0 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.