UA303 ORD → BWI

United Airlines · Chicago, IL to Baltimore, MD · 35 flights observed, 2026-05-21 to 2026-06-24 · 622 mi

This flight's reliability varies a lot by day of week — 80% on-time on Mondays vs. 20% on Wednesdays.

UA303 covers more than one route in the data window — the stats below are for ORD → BWI, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
53%
Median delay
+13 min
90th percentile
+103 min
Cancellation rate
3%

How often is UA303 on time?

Across 35 flights on ORD → BWI from 2026-05-21 to 2026-06-24, UA303 arrived within 15 minutes of schedule 53% of the time. The median arrival delay was +13 min, and the worst 10% of flights arrived +103 min or later. 3% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1853%
16-30 min618%
31-60 min515%
61-120 min26%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2026-051155%+7 min
2026-062352%+46 min

Performance by day of week

DayFlightsOn-time
Mon580%
Tue540%
Wed520%
Thu450%
Fri560%
Sat560%
Sun560%

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