BustempoPunctuality archive
Reliability › Line 1520

Line 1520 · Siena - Rome FCO ✈

FlixBus · Bus · 214 km · 4 measured rides on 11 Oct 2026 · small sample, treat with caution

C
On time
75%
≤ 5 min late
Median delay
0.5 min
typical ride
P90 delay
10.5 min
1 in 10 worse than this
Cancelled
0%
0 of 4 rides
Sample
4
rides measured · 4 seen

Ready to travel? Check prices and times for Rome Fiumicino Airport → Siena.

Book this route →

On-time share by departure hour

0%50%100%02406:00: 100% on time, 1 rides measured6810:00: 0% on time, 1 rides measured101213:00: 100% on time, 1 rides measured141618:00: 100% on time, 1 rides measured182022

On-time share by weekday

0%50%100%MonTueWedThuFriSatSunday: 75% on time, 4 rides measuredSun

Worst day so far: 11 Oct 2026 with 75% on time and a P90 delay of 10.5 min (4 rides).

Average delay at each stop

Mean delay at departure (or arrival at the terminus) across measured calls, both directions combined.

Siena (piazza Gramsci)no actualsRome Fiumicino AirportRome Fiumicino Airport: 0.5 min0.5 minRome Tiburtina Bus stationRome Tiburtina Bus station: 0 min0 minSiena (viale Toselli)Siena (viale Toselli): 6.3 min6.3 minSiena (Stazione FS)no actuals
StopAvg delayCalls measured
Siena (piazza Gramsci)—0 / 3
Rome Fiumicino Airport0.5 min1 / 4
Rome Tiburtina Bus station0 min1 / 4
Siena (viale Toselli)6.3 min2 / 4
Siena (Stazione FS)—0 / 4

Directions on this line

RouteOn timeRides
Rome Fiumicino Airport → Siena100%2 / 2
Siena → Rome Fiumicino Airport50%2 / 2