UA2101 SEA → ORD

United Airlines · Seattle, WA to Chicago, IL · 55 flights observed, 2026-03-29 to 2026-06-30 · 1,721 mi

This flight's scheduled flight time has grown by 15 min since 2026-04 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

UA2101 covers more than one route in the data window — the stats below are for SEA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
75%
Median delay
-1 min
90th percentile
+56 min
Cancellation rate
0%

How often is UA2101 on time?

Across 55 flights on SEA → ORD from 2026-03-29 to 2026-06-30, UA2101 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +56 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time4175%
16-30 min611%
31-60 min35%
61-120 min35%
2+ hrs24%

Performance by month

MonthFlightsOn-timeAvg delay
2026-03367%+18 min
2026-042665%+23 min
2026-052090%-1 min
2026-06667%+10 min

Performance by day of week

DayFlightsOn-time
Mon978%
Tue978%
Wed875%
Thu875%
Fri850%
Sat4100%
Sun978%

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