New York (JFK) to Charleston (CHS): On-Time Performance
Data through July 2026
The biggest risk when flying JFK to CHS isn't a late arrival — it's not departing at all. 4.1% of scheduled flights on this route were cancelled, several times the typical US rate. When flights do go, 77% land on time, below the national average of 78%. Endeavor Air has been the safer pick, arriving on time 83% of the time.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 4.1%
- Flights/day
- 2.2
- last 12 months
- Duration
- 2h 19m
- scheduled
- Distance
- 636 mi
Best airline from JFK to CHS
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Endeavor Airmost reliable | 83% | 13 min | 4.1% | 517 |
| Republic Airways | 78% | 14 min | 6.5% | 248 |
| JetBlue Airways | 74% | 19 min | 3.6% | 1,375 |
Monthly on-time trend
Best time to fly from JFK to CHS
Aim for departures around 6 a.m. (90% on-time); avoid 4 p.m. departures (61%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 19 min |
| Tuesday | 81% | 14 min |
| Wednesdaybest | 82% | 14 min |
| Thursday | 71% | 17 min |
| Friday | 78% | 16 min |
| Saturday | 77% | 18 min |
| Sunday | 73% | 21 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft40%
- Airline operations35%
- National airspace system25%
- Weather1%
Frequently asked questions
- How often are flights from JFK to CHS delayed?
- 23% of JFK–CHS flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 17 minutes.
- Which airline is most reliable from JFK to CHS?
- Endeavor Air has the best on-time record on this route at 83%, based on 517 flights. 3 airlines flew JFK–CHS frequently enough to compare in this period.
- What is the best time of day to fly from JFK to CHS?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 4 p.m. have the worst (61%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from JFK to CHS?
- The scheduled JFK–CHS flight time averages 2h 19m over 636 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are JFK to CHS flights cancelled?
- 4.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from JFK to CHS?
- July 2026 was the roughest month in this dataset, with only 57% of arrivals on time. The best was September 2025 at 98%. If your dates are flexible, that 41-point gap is worth planning around.
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Based on 2,143 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.