STT to PHL flight delays
Charlotte Amalie, VI (STT) Philadelphia, PA (PHL) · 1,605 miles
187 flights · January 2025 – August 2026 · US Bureau of Transportation Statistics
73.3%
Arrived on time
Within 15 minutes of schedule
2.14%
Cancelled
Share of scheduled flights
140 min
When late, late by
Average across delayed arrivals
38 min
Delay per flight
Averaged over every flight flown
What the record says about this route
Only American Airlines flies this route in the published record, so there is no choice to weigh — the route's figures and the airline's are the same figures.
Flights from Charlotte Amalie to Philadelphia run late more often than the average route, though not severely.
Which airline should you fly on this route?
Over January 2025 – August 2026, American Airlines arrived on time most often on STT to PHL. Flights ran closest to schedule in July and worst in August.
Every airline on STT to PHL
Ranked by how many flights each one operated. A carrier with fewer than 100 flights in the period is listed but not graded.
| Airline | Flights | On time | Cancelled | Avg delay | Grade |
|---|---|---|---|---|---|
| American Airlines | 187 | 73.3% | 2.14% | 140 min | D |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
Other routes from Charlotte Amalie
Common questions
Are flights from Charlotte Amalie to Philadelphia usually delayed?
73.3% of flights on the STT to PHL route arrived within 15 minutes of schedule, so roughly 3 in every ten arrived late. That is worse than the average route in this record.
Which airlines fly from Charlotte Amalie to Philadelphia?
Only American Airlines appears in the published record on this route, with 187 flights and 73.3% arriving on time.
How often are STT to PHL flights cancelled?
2.14% of scheduled flights did not operate — about 21 in every thousand. That is in the normal range.
When STT to PHL flights are late, how late are they?
About 140 minutes on average across the flights that arrived more than 15 minutes behind schedule.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on STT to PHL during January 2025 – August 2026, as reported by the airlines to the US Bureau of Transportation Statistics. "On time" is the federal definition: arriving at the gate within 15 minutes of the scheduled time.
A route's record is a description of the past, not a forecast. Weather, air traffic control and the aircraft's earlier flights that day drive most delays, and none of them are predictable from a historical rate. What the record does tell you is whether this route runs late more often than others, and which carrier on it has the better history — which is the part you can actually act on when you book.
Cancellations are counted separately from delays because they are a different problem for a traveller: a late flight still gets you there. How the grade is calculated →