UA1552 RNO → ORD

United Airlines · Reno, NV to Chicago, IL · 17 flights observed, 2025-12-18 to 2026-01-05 · 1,671 mi

This flight has been getting less reliable recently — 2026-01's on-time rate (60%) is well below the 91% average from earlier months.

UA1552 covers more than one route in the data window — the stats below are for RNO → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-22 min
90th percentile
+32 min
Cancellation rate
6%

How often is UA1552 on time?

Across 17 flights on RNO → ORD from 2025-12-18 to 2026-01-05, UA1552 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -22 min, and the worst 10% of flights arrived +32 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1381%
16-30 min16%
31-60 min213%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121191%-16 min
2026-01560%-1 min

Performance by day of week

DayFlightsOn-time
Mon3100%
Tue2100%
WedNo data—
Thu367%
Fri3100%
Sat367%
Sun250%

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