UA2077 SFO → ORD

United Airlines · San Francisco, CA to Chicago, IL · 26 flights observed, 2026-05-22 to 2026-06-24 · 1,846 mi

This flight's reliability varies a lot by day of week — 80% on-time on Tuesdays vs. 40% on Wednesdays.

UA2077 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
69%
Median delay
-9 min
90th percentile
+187 min
Cancellation rate
0%

How often is UA2077 on time?

Across 26 flights on SFO → ORD from 2026-05-22 to 2026-06-24, UA2077 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +187 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time1869%
16-30 min312%
31-60 min00%
61-120 min14%
2+ hrs415%

Performance by month

MonthFlightsOn-timeAvg delay
2026-05683%-15 min
2026-062065%+41 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue580%
Wed540%
Thu333%
Fri580%
SatNo data—
Sun4100%

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