WN3870 SJU → MCO

Southwest Airlines · San Juan, PR to Orlando, FL · 33 flights observed, 2026-03-05 to 2026-04-06 · 1,188 mi

This flight runs much more reliably at some times of day than others — 88% on-time departing 3–6am vs. 39% departing 12–3pm.

WN3870 covers more than one route in the data window — the stats below are for SJU → MCO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
52%
Median delay
+9 min
90th percentile
+104 min
Cancellation rate
0%

How often is WN3870 on time?

Across 33 flights on SJU → MCO from 2026-03-05 to 2026-04-06, WN3870 arrived within 15 minutes of schedule 52% of the time. The median arrival delay was +9 min, and the worst 10% of flights arrived +104 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1752%
16-30 min412%
31-60 min412%
61-120 min721%
2+ hrs13%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032752%+30 min
2026-04650%+31 min

Performance by day of week

DayFlightsOn-time
Mon560%
Tue4100%
Wed475%
Thu540%
Fri540%
Sat540%
Sun520%

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…