UA587 SNA → ORD

United Airlines · Santa Ana, CA to Chicago, IL · 101 flights observed, 2026-03-05 to 2026-06-30 · 1,726 mi

This flight's scheduled flight time has grown by 14 min since 2026-03 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.

UA587 covers more than one route in the data window — the stats below are for SNA → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
88%
Median delay
-9 min
90th percentile
+20 min
Cancellation rate
1%

How often is UA587 on time?

Across 101 flights on SNA → ORD from 2026-03-05 to 2026-06-30, UA587 arrived within 15 minutes of schedule 88% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +20 min or later. 1% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time8488%
16-30 min77%
31-60 min44%
61-120 min00%
2+ hrs11%

Performance by month

MonthFlightsOn-timeAvg delay
2026-032176%+2 min
2026-042688%-6 min
2026-052688%-9 min
2026-062396%-4 min

Performance by day of week

DayFlightsOn-time
Mon1694%
Tue1782%
Wed1573%
Thu16100%
Fri1573%
Sat17100%
SunNo data—

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