UA2635 PDX → ORD

United Airlines · Portland, OR to Chicago, IL · 72 flights observed, 2025-10-26 to 2026-01-05 · 1,739 mi

UA2635 covers more than one route in the data window — the stats below are for PDX → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-10 min
90th percentile
+13 min
Cancellation rate
1%

How often is UA2635 on time?

Across 72 flights on PDX → ORD from 2025-10-26 to 2026-01-05, UA2635 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +13 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time6592%
16-30 min23%
31-60 min23%
61-120 min00%
2+ hrs23%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%-8 min
2025-112986%+16 min
2025-123194%-11 min
2026-015100%-18 min

Performance by day of week

DayFlightsOn-time
Mon11100%
Tue10100%
Wed1090%
Thu1090%
Fri10100%
Sat1090%
Sun1070%

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