UA4180 IAD → PIT

United Airlines · Washington, DC to Pittsburgh, PA · 3 flights observed, 2025-12-20 to 2026-01-03 · 182 mi

UA4180 covers more than one route in the data window — the stats below are for IAD → PIT, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
67%
Median delay
+15 min
90th percentile
+170 min
Cancellation rate
0%

How often is UA4180 on time?

Across 3 flights on IAD → PIT from 2025-12-20 to 2026-01-03, UA4180 arrived within 15 minutes of schedule 67% of the time. The median arrival delay was +15 min, and the worst 10% of flights arrived +170 min or later. 0% of flights were cancelled.

Delay distribution

Arrival delay for completed flights (excludes cancellations and diversions).

ArrivalFlightsShare
Early / on-time267%
16-30 min00%
31-60 min00%
61-120 min00%
2+ hrs133%

Performance by month

MonthFlightsOn-timeAvg delay
2025-122100%+2 min
2026-0110%+209 min

Performance by day of week

DayFlightsOn-time
MonNo data—
TueNo data—
WedNo data—
ThuNo data—
FriNo data—
Sat367%
SunNo data—

Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…