UA4551 IND → ORD

United Airlines · Indianapolis, IN to Chicago, IL · 17 flights observed, 2025-12-18 to 2026-01-05 · 177 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +12 min, while the worst 10% run +91 min or later.

UA4551 covers more than one route in the data window — the stats below are for IND → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
71%
Median delay
+12 min
90th percentile
+91 min
Cancellation rate
0%

How often is UA4551 on time?

Across 17 flights on IND → ORD from 2025-12-18 to 2026-01-05, UA4551 arrived within 15 minutes of schedule 71% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +91 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1271%
16-30 min212%
31-60 min00%
61-120 min16%
2+ hrs212%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121267%+25 min
2026-01580%+29 min

Performance by day of week

DayFlightsOn-time
Mon367%
Tue2100%
WedNo data—
Thu367%
Fri367%
Sat367%
Sun367%

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