WN4903Southwest Airlines · MCO → SJU
live · 31m ago
Route confirmed Southwest Airlines

WN4903 OrlandoMCO · 10:30 San JuanSJU · 13:25

WN4903 by Southwest Airlines flies from Orlando (MCO) to San Juan (SJU) for the Sun, Oct 18 departure.

Right nowEn route to San Juan · off blocks 10:38 · 8 min late
En route

en route from MCO to SJU

En routeWN4903 · position estimated
MCOOrlandoSJUSan Juan
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 10:38 · typical taxi-out at MCO ≈ 9 min.

⚖ WN4903 typically leaves +14 and lands +1. The air wins minutes back.

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-18
+8 gate · −10 arrival
10-17
+8 gate · −10 arrival
10-16
+30 gate · +22 arrival
10-15
+0 gate · −11 arrival
10-14
+36 gate · +32 arrival
10-13
+6 gate · −29 arrival
10-12
+0 gate · −4 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival +1 min · 0 cancelled · 13 operations tracked

The route today

live boards
MCOOrlandoOn-time likelyMCO delay board →
SJUSan JuanOn-time likelySJU delay board →
MCO→SJUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
1.9%Chance of cancellation
+20 minAvg hub delay right now

Conditions at MCO and SJU are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Orlando to San Juan flights today

same route · Southwest Airlines
WN2801departs 06:15
WN1773departs 06:45
WN229departs 08:00
WN2802departs 08:55
WN406departs 10:50
WN1826departs 12:20

If WN4903 is cancelled, these are the other Southwest Airlines nonstop flights from Orlando to San Juan on the same day, with scheduled departure times in MCO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4903 actually runs

Pro Flight Search has tracked every published board update for WN4903 across the MCO and SJU boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 12 confirmed landings · 9/12 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WN4903 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-18MCO 10:30 10:38 (+8)SJU 13:25 13:15 (−10)
10-17MCO 10:30 10:38 (+8)SJU 13:25 13:15 (−10)
10-16MCO 12:25 12:55 (+30)SJU 15:20 15:42 (+22)
10-15MCO 12:25 (+0)SJU 15:20 15:09 (−11)
10-14MCO 10:40 11:16 (+36)SJU 13:35 14:07 (+32)
10-13MCO 10:40 10:46 (+6)SJU 13:35 13:06 (−29)
10-12MCO 12:25 (+0)SJU 15:20 15:16 (−4)
10-10MCO 10:30 11:03 (+33)SJU 13:25 13:54 (+29)
10-09MCO 12:25 12:45 (+20)SJU 15:20 15:21 (+1)
10-08MCO 12:25 12:54 (+29)SJU 15:20 15:30 (+10)
10-07MCO 10:40 10:54 (+14)SJU 13:35 13:44 (+9)
10-06MCO 10:40 10:57 (+17)SJU 13:35 13:36 (+1)
10-05MCO 12:25 12:35 (+10)SJU 15:20 15:12 (−8)

Aircraft

Recent tails: N8504G, N8872Q, N9000D, N8710M.

Board clocks recorded as MCO and SJU published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN4903 Orlando to San Juan on-time performance, measured from the MCO and SJU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4903
How we measure this →