Route
JFK → CHS
John F. Kennedy International Airport Charleston International Airport
636 miles
Return route CHS → JFK →
How punctual is this route?
- On-time arrivals
- 74.3%
- Less than 15 minutes late
- Cancelled
- 6.4%
- Of scheduled flights
- Average delay when late
- 73 min
- Flights arriving 15+ minutes late
- Flights tracked
- 791
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 39%
- Airline (crew, maintenance, cleaning) 36%
- Air traffic control & airport 22%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 97.9% | 48 |
| October 2025 | 73.3% | 62 |
| November 2025 | 68.7% | 68 |
| December 2025 | 70.7% | 79 |
| January 2026 | 76.1% | 84 |
| February 2026 | 66.7% | 79 |
| March 2026 | 75.8% | 63 |
| April 2026 | 86.4% | 66 |
| May 2026 | 92.1% | 63 |
| June 2026 | 67.3% | 59 |
| July 2026 | 58.3% | 62 |
| August 2026 | 57.7% | 58 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| JetBlue Airways | 638 | 72.8% | 5.8% | 74 min |
| Republic Airways | 151 | 80.3% | 9.3% | 68 min |
| Delta Air Lines | 2 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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