Route Reliability
Charleston → Boston
CHS–BOS · 818 miles · Charleston International Airport to Boston Logan International Airport
- 72%
- Arrive within 15 minutes
- 15 min
- Average arrival delay
- 2.0%
- Cancelled
- 1,121
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines72%479 flights
- 2.JetBlue Airways71%642 flights
What the data says
Morning-you made the right choice.
CHS–BOS flights departing between 6–9 AM arrived on time 91% of the time, versus 61% between 6–9 PM.
Sunday scaries are real for this one.
CHS–BOS flights arrived on time 79% of the time on Saturdays. On Sundays: 66%.
Not much between Delta Air Lines and JetBlue Airways.
On this route they all land within 71% to 72% on time. Pick on schedule and price.
Ticking up lately.
CHS–BOS flights arrived on time 81% of the time over the last three months in the data, compared with 77% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon75%(150 flights)
- Tue73%(133 flights)
- Wed74%(132 flights)
- Thu68%(150 flights)
- Fri67%(153 flights)
- Sat79%(185 flights)
- Sun66%(196 flights)
- 6–9 AM91%(105 flights)
- 9 AM–12 PM86%(177 flights)
- 12–3 PM63%(277 flights)
- 3–6 PM70%(383 flights)
- 6–9 PM61%(155 flights)
- 9 PM–12 AM—(2 flights)
Jun 67% → May 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 94 |
| July 2025 | 60% | 90 |
| August 2025 | 76% | 93 |
| September 2025 | 52% | 97 |
| October 2025 | 53% | 99 |
| November 2025 | 79% | 90 |
| December 2025 | 75% | 98 |
| January 2026 | 81% | 63 |
| February 2026 | 77% | 52 |
| March 2026 | 81% | 85 |
| April 2026 | 81% | 113 |
| May 2026 | 82% | 125 |
Keep nerding
Based on 1,121 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.