ANALYTICS
Stop F04802
How reliable is the BKK app here?
What the app showed 10-15 minutes before arrival, compared with when the bus actually came. At Csiki csárda the app shows the 188E later than it arrives: 40% of the time it came at least a minute early.
| Where | Typical error | Came ≥ 1 min early |
|---|---|---|
| All of Budapest (10% sample) | 1.5 min | 12% |
| Csiki csárda, all lines | 1.3 min | 29% |
| 188E at Csiki csárda | 1.2 min | 40% |
With a 10-minute walk, how often you miss the 188E if you leave when the app shows a given time. You need +4 minutes of slack to miss it less than 5% of the time.
| Leave when app shows | 188E missed | Perfect app |
|---|---|---|
| ≤ 11 min (+1) | 64% | 0% · 0.5 min wait |
| ≤ 12 min (+2) | 27% | 0% · 1.5 min wait |
| ≤ 13 min (+3) | 12% | 0% · 2.5 min wait |
| ≤ 14 min (+4) | 4% | 0% · 3.5 min wait |
2026-10-17 to 2026-10-21 (Sat (partial), Sun, Mon-Wed) · 188E: 81 trips on weekdays, still a small sample · "Perfect app" always shows the true arrival time and is the target for our own prediction model.
Historic delays by hour
Delay (minutes) per line, pooled over all its departures in that hour. Median is the typical delay; P10 is a good day (only 1 in 10 departures is earlier) and P90 a bad one (only 1 in 10 is later). Negative values mean early. Hover a cell for all three values.