SJU → STX Frontier Airlines

Frontier Airlines · San Juan, PR to Christiansted, VI · 14 flights, 2025-07-03 to 2025-08-17 · aggregated across 1 flight number

This route has been on time less than half the time (29%) — expect a real chance of a delay.
On-time arrival
29%
Median delay
+50 min
90th percentile
+102 min
Cancellation rate
0%

How on-time is Frontier Airlines from SJU to STX?

Across every Frontier Airlines flight number on SJU → STX (14 flights, 2025-07-03 to 2025-08-17), 29% arrived within 15 minutes of schedule. Median arrival delay +50 min; the worst 10% ran +102 min or later. 0% were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time429%
16-30 min17%
31-60 min321%
61-120 min536%
2+ hrs17%

Performance by month

MonthFlightsOn-timeAvg delay
2025-07933%+58 min
2025-08520%+60 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
Thu729%
FriNo data—
SatNo data—
Sun729%

F9 flight numbers on SJU → STX

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…