Route Reliability
New York → Charleston
JFK–CHS · 636 miles · John F. Kennedy International Airport to Charleston International Airport
- 76%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 4.4%
- Cancelled
- 1,720
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines77%1,085 flights
- 2.JetBlue Airways74%635 flights
What the data says
Morning flights do better here.
JFK–CHS flights departing between 9 AM–12 PM arrived on time 83% of the time, versus 58% between 3–6 PM.
Thursday is the weak spot.
JFK–CHS flights arrived on time 83% of the time on Wednesdays. On Thursdays: 72%.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 77% of the time on this route; JetBlue Airways managed 74%.
Keep a backup plan handy.
This route was cancelled 4.4% of the time. Typical for U.S. flights is around 1–2%.
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
- Mon77%(240 flights)
- Tue75%(222 flights)
- Wed83%(222 flights)
- Thu72%(237 flights)
- Fri75%(246 flights)
- Sat78%(233 flights)
- Sun73%(243 flights)
- 3–6 AM—(1 flights)
- 6–9 AM83%(312 flights)
- 9 AM–12 PM83%(376 flights)
- 12–3 PM79%(348 flights)
- 3–6 PM58%(238 flights)
- 6–9 PM73%(368 flights)
Jun 64% → May 87% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 142 |
| July 2025 | 72% | 138 |
| August 2025 | 80% | 146 |
| September 2025 | 90% | 137 |
| October 2025 | 73% | 150 |
| November 2025 | 74% | 151 |
| December 2025 | 66% | 140 |
| January 2026 | 74% | 100 |
| February 2026 | 70% | 98 |
| March 2026 | 75% | 138 |
| April 2026 | 85% | 155 |
| May 2026 | 87% | 148 |
Same trip, other airports
Keep nerding
Based on 1,720 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.