PMO to STN flight delays
221 flights · January 2025 – August 2026 · UK Civil Aviation Authority
55.2%
Arrived on time
Within 15 minutes of schedule
0%
Cancelled
Share of scheduled flights
—
When late, late by
Average across delayed arrivals
23 min
Delay per flight
Averaged over every flight flown
What the record says about this route
The season swings this route hard. In March it ran 31.4 points more punctual than in January — a difference bigger than the one between the best and worst airlines on most routes. If the date is flexible, it is worth more than the carrier.
This is a late route. Flights from Palermo to London miss their scheduled arrival often enough that a tight connection at the far end is a connection at risk.
The route has been getting worse. The later months run 11.9 points less punctual than the earlier ones. A drift of that size is rarely weather; it is more often an airline adding frequencies faster than the airports can absorb them.
The two directions do not behave alike. STN to PMO arrives on time 11 points more often than the outbound. Delay accumulates through the flying day, so whichever direction is scheduled later tends to carry the worse record — which is an argument for booking the morning departure if the choice exists.
Which airline should you fly on this route?
Over January 2025 – August 2026, Ryanair arrived on time most often on PMO to STN. Flights ran closest to schedule in March and worst in January.
Every airline on PMO to STN
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 |
|---|---|---|---|---|---|
| Ryanair | 221 | 55.2% | 0% | — | F |
Month by month
Share of flights that arrived within 15 minutes of schedule, by month flown.
The return leg
STN to PMO London back to Palermo 66.22% on time DOther routes from Palermo
Common questions
Are flights from Palermo to London usually delayed?
55.2% of flights on the PMO to STN route arrived within 15 minutes of schedule, so roughly 4 in every ten arrived late. That is worse than the average route in this record.
Which airlines fly from Palermo to London?
Only Ryanair appears in the published record on this route, with 221 flights and 55.2% arriving on time.
How often are PMO to STN flights cancelled?
0% of scheduled flights did not operate — about 1 in every thousand. That is in the normal range.
What is the best month to fly Palermo to London?
March, when 71.4% of flights arrived on time. The worst was January at 40%.
What these figures do and do not tell you
Everything on this page is counted from the flights that actually operated on PMO to STN 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 →