UA1015 ORD → IAD

United Airlines · Chicago, IL to Washington, DC · 35 flights observed, 2026-05-21 to 2026-06-24 · 588 mi

This flight's reliability varies a lot by day of week — 100% on-time on Mondays vs. 60% on Wednesdays.

UA1015 covers more than one route in the data window — the stats below are for ORD → IAD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
83%
Median delay
-8 min
90th percentile
+47 min
Cancellation rate
0%

How often is UA1015 on time?

Across 35 flights on ORD → IAD from 2026-05-21 to 2026-06-24, UA1015 arrived within 15 minutes of schedule 83% of the time. The median arrival delay was -8 min, and the worst 10% of flights arrived +47 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2983%
16-30 min13%
31-60 min26%
61-120 min00%
2+ hrs39%

Performance by month

MonthFlightsOn-timeAvg delay
2026-0511100%-12 min
2026-062475%+19 min

Performance by day of week

DayFlightsOn-time
Mon5100%
Tue580%
Wed560%
Thu580%
Fri5100%
Sat580%
Sun580%

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