S4171Azores Airlines · OPO → PDL
live · 45m ago
Route confirmed Azores Airlines

S4171 PortoOPO · 12:35 Ponta DelgadaPDL

S4171 by Azores Airlines flies from Porto (OPO) to Ponta Delgada (PDL).

Right nowNext departure today Operates daily
12:35

scheduled from OPO

Typical gate push+22 minmedian posted departure

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
09-21
+22 gate
09-20
+22 gate
09-19
+17 gate
09-18
−7 gate
09-17
+88 gate
09-16
+25 gate

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

0 cancelled · 6 operations tracked

The route today

live boards
OPOPortoOn-time likelyOPO delay board →
PDLPonta DelgadaOn-time likelyPDL delay board →
OPO→PDLevery carrier, schedules and on-time historyRoute intelligence →

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 Porto to Ponta Delgada flights today

same route · Azores Airlines
S4177departs 05:55
S43179departs 11:30
S4173departs 19:35
S4179departs 22:05

If S4171 is cancelled, these are the other Azores Airlines nonstop flights from Porto to Ponta Delgada on the same day, with scheduled departure times in OPO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How S4171 actually runs

Pro Flight Search has tracked every published board update for S4171 across the OPO and PDL boards: schedule changes, gate pushes and actual clocks. Usually departs ~22 min late. Based on 6 confirmed departures · 1/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how S4171 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-21OPO 12:35 12:57 (+22)PDL
09-20OPO 12:35 12:57 (+22)PDL
09-19OPO 12:35 12:52 (+17)PDL
09-18OPO 12:35 12:28 (−7)PDL
09-17OPO 12:45 14:13 (+88)PDL
09-16OPO 12:35 13:00 (+25)PDL

Board clocks recorded as OPO and PDL 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 — S4171 Porto to Ponta Delgada on-time performance, measured from the OPO and PDL airport boards.

Canonical URL
https://proflightsearch.com/flight/S4171
How we measure this →