UA1958 SFO → ORD

United Airlines · San Francisco, CA to Chicago, IL · 13 flights observed, 2026-04-02 to 2026-04-27 · 1,846 mi

UA1958 covers more than one route in the data window — the stats below are for SFO → ORD, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
92%
Median delay
-15 min
90th percentile
+12 min
Cancellation rate
8%

How often is UA1958 on time?

Across 13 flights on SFO → ORD from 2026-04-02 to 2026-04-27, UA1958 arrived within 15 minutes of schedule 92% of the time. The median arrival delay was -15 min, and the worst 10% of flights arrived +12 min or later. 8% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1192%
16-30 min00%
31-60 min00%
61-120 min18%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2026-041292%-5 min

Performance by day of week

DayFlightsOn-time
Mon475%
TueNo data—
WedNo data—
ThuNo data—
Fri4100%
SatNo data—
Sun4100%

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