UA4665 BNA → ORD

United Airlines · Nashville, TN to Chicago, IL · 16 flights observed, 2025-12-02 to 2025-12-17 · 409 mi

This flight is usually on time, but has a real long-delay tail — typical (median) delay is +3 min, while the worst 10% run +101 min or later.

UA4665 covers more than one route in the data window — the stats below are for BNA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
73%
Median delay
+3 min
90th percentile
+101 min
Cancellation rate
6%

How often is UA4665 on time?

Across 16 flights on BNA → ORD from 2025-12-02 to 2025-12-17, UA4665 arrived within 15 minutes of schedule 73% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +101 min or later. 6% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1173%
16-30 min17%
31-60 min17%
61-120 min00%
2+ hrs213%

Performance by month

MonthFlightsOn-timeAvg delay
2025-121573%+24 min

Performance by day of week

DayFlightsOn-time
Mon20%
Tue2100%
Wed3100%
Thu2100%
Fri250%
Sat2100%
Sun250%

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