Best Time to Fly STT to EWR: On-Time Stats by Hour & Airline
Cyril E King → Newark Liberty International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 87.3% of Charlotte Amalie (STT) to Newark (EWR) flights arrived on time (247 scheduled flights). That is 9.7 points above the national average of 77.6%.
United Airlines was the only reporting airline with regular flights on this route.
December has been the best month (97% on time) and Monday the weakest day of the week (85%).
3.2% of flights were cancelled, versus 1.8% nationally.
STT to EWR 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 | 87.3% | 82 min | 3.2% | 247 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly STT to EWR
On-time arrival % by scheduled departure hour (local time), 494 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 1pm–2pm | 86.0% | 2.0% | 51 |
| 2pm–3pm | 91.3% | 0.5% | 212 |
| 3pm–4pm | Limited data | 9 | |
| 4pm–5pm | 85.0% | 1.6% | 61 |
| 5pm–6pm | 83.8% | 4.5% | 111 |
| 6pm–7pm | 85.7% | 2.0% | 50 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on STT to EWR
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) | 90.9% | +4.1 pts | 0.0% | 33 |
| All other days | 86.8% | — | 2.2% | 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).