UA660 BWI → ORD

United Airlines · Baltimore, MD to Chicago, IL · 18 flights observed, 2026-03-05 to 2026-03-28 · 622 mi

UA660 covers more than one route in the data window — the stats below are for BWI → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
89%
Median delay
+1 min
90th percentile
+9 min
Cancellation rate
0%

How often is UA660 on time?

Across 18 flights on BWI → ORD from 2026-03-05 to 2026-03-28, UA660 arrived within 15 minutes of schedule 89% of the time. The median arrival delay was +1 min, and the worst 10% of flights arrived +9 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1689%
16-30 min16%
31-60 min16%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-031889%0 min

Performance by day of week

DayFlightsOn-time
Mon367%
TueNo data—
WedNo data—
Thu4100%
Fri4100%
Sat475%
Sun3100%

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