UA2850 ORD → PDX

United Airlines · Chicago, IL to Portland, OR · 58 flights observed, 2026-01-06 to 2026-03-04 · 1,739 mi

This flight's reliability varies a lot by day of week — 100% on-time on Thursdays vs. 63% on Mondays.

UA2850 covers more than one route in the data window — the stats below are for ORD → PDX, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
79%
Median delay
0 min
90th percentile
+25 min
Cancellation rate
0%

How often is UA2850 on time?

Across 58 flights on ORD → PDX from 2026-01-06 to 2026-03-04, UA2850 arrived within 15 minutes of schedule 79% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +25 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4679%
16-30 min712%
31-60 min23%
61-120 min23%
2+ hrs12%

Performance by month

MonthFlightsOn-timeAvg delay
2026-012677%+14 min
2026-022882%-1 min
2026-03475%+3 min

Performance by day of week

DayFlightsOn-time
Mon863%
Tue989%
Wed989%
Thu8100%
Fri875%
Sat875%
Sun863%

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