UA1688 MCI → SFO

United Airlines · Kansas City, MO to San Francisco, CA · 37 flights observed, 2025-10-26 to 2025-12-01 · 1,499 mi

This flight's reliability varies a lot by day of week — 100% on-time on Tuesdays vs. 50% on Mondays.

UA1688 covers more than one route in the data window — the stats below are for MCI → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
81%
Median delay
-13 min
90th percentile
+43 min
Cancellation rate
0%

How often is UA1688 on time?

Across 37 flights on MCI → SFO from 2025-10-26 to 2025-12-01, UA1688 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -13 min, and the worst 10% of flights arrived +43 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time3081%
16-30 min38%
31-60 min00%
61-120 min25%
2+ hrs25%

Performance by month

MonthFlightsOn-timeAvg delay
2025-106100%-13 min
2025-113080%+3 min
2025-1210%+69 min

Performance by day of week

DayFlightsOn-time
Mon650%
Tue5100%
Wed560%
Thu580%
Fri5100%
Sat580%
Sun6100%

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