UA448 SNA → SFO

United Airlines · Santa Ana, CA to San Francisco, CA · 26 flights observed, 2025-09-25 to 2025-10-24 · 372 mi

This flight has been getting more reliable recently — 2025-10's on-time rate (86%) is well above the 40% average from earlier months.

UA448 covers more than one route in the data window — the stats below are for SNA → SFO, the one it has flown most recently. The others are linked under “Other routes”.

On-time arrival
77%
Median delay
-10 min
90th percentile
+39 min
Cancellation rate
0%

How often is UA448 on time?

Across 26 flights on SNA → SFO from 2025-09-25 to 2025-10-24, UA448 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -10 min, and the worst 10% of flights arrived +39 min or later. 0% of flights were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time2077%
16-30 min00%
31-60 min623%
61-120 min00%
2+ hrs00%

Performance by month

MonthFlightsOn-timeAvg delay
2025-09540%+18 min
2025-102186%-6 min

Performance by day of week

DayFlightsOn-time
Mon475%
Tue475%
Wed450%
Thu580%
Fri5100%
SatNo data—
Sun475%

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