Best Time to Fly EWR to STT: On-Time Stats by Hour & Airline
Newark Liberty International → Cyril E King
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 81.2% of Newark (EWR) to Charlotte Amalie (STT) flights arrived on time (247 scheduled flights). That is 3.6 points above the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
March has been the best month (87% on time) and Thursday the weakest day of the week (71%).
2.0% of flights were cancelled, versus 1.8% nationally.
EWR to STT on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 81.2% | 64 min | 2.0% | 247 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly EWR to STT
On-time arrival % by scheduled departure hour (local time), 494 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 82.9% | 1.2% | 340 |
| 8am–9am | Limited data | 7 | |
| 9am–10am | 84.7% | 1.0% | 100 |
| 10am–11am | Limited data | 1 | |
| 11am–12pm | 76.1% | 0.0% | 46 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on EWR to STT
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 14 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 30 | ||
| Summer peak (Jun 15 - Aug 15) | 84.8% | +1.4 pts | 0.0% | 33 |
| All other days | 83.4% | — | 1.0% | 417 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).