Charlotte Amalie (STT) to Atlanta (ATL): On-Time Performance
Data through July 2026
When you fly STT to ATL matters as much as anything else about the booking: the route swung from 94% on-time in October 2024 to just 61% in July 2024. Across the full period the route averages 80% on-time against a national 78%.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 2.0
- last 12 months
- Duration
- 4h 6m
- scheduled
- Distance
- 1,599 mi
Monthly on-time trend
Best time to fly from STT to ATL
Aim for departures around 12 p.m. (93% on-time); avoid 4 p.m. departures (76%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 82% | 22 min |
| Tuesday | 85% | 12 min |
| Wednesday | 84% | 24 min |
| Thursdaybest | 85% | 15 min |
| Friday | 79% | 13 min |
| Saturday | 75% | 26 min |
| Sunday | 74% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations52%
- National airspace system10%
- Weather2%
Frequently asked questions
- How often are flights from STT to ATL delayed?
- 20% of STT–ATL 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 18 minutes.
- What is the best time of day to fly from STT to ATL?
- Departures around 12 p.m. have the best record (93% on-time), while departures around 4 p.m. have the worst (76%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from STT to ATL?
- The scheduled STT–ATL flight time averages 4h 6m over 1,599 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are STT to ATL flights cancelled?
- 1.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from STT to ATL?
- July 2024 was the roughest month in this dataset, with only 61% of arrivals on time. The best was October 2024 at 94%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 1,432 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.