SFO → MIA United Airlines

United Airlines · San Francisco, CA to Miami, FL · 623 flights, 2025-07-01 to 2026-06-30 · aggregated across 8 flight numbers

This route's scheduled flight time has grown by 12 min since 2025-07 — some of the on-time performance may reflect a more generous published schedule, not a faster or more reliable flight.
On-time arrival
78%
Median delay
-1 min
90th percentile
+30 min
Cancellation rate
0%

How on-time is United Airlines from SFO to MIA?

Across every United Airlines flight number on SFO → MIA (623 flights, 2025-07-01 to 2026-06-30), 78% arrived within 15 minutes of schedule. Median arrival delay -1 min; the worst 10% ran +30 min or later. 0% were cancelled.

Delay distribution

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

ArrivalFlightsShare
Early / on-time48578%
16-30 min7312%
31-60 min427%
61-120 min122%
2+ hrs81%

Performance by month

MonthFlightsOn-timeAvg delay
2025-076265%+15 min
2025-084856%+18 min
2025-092966%+8 min
2025-103594%-9 min
2025-115489%-7 min
2025-124783%+5 min
2026-016184%+1 min
2026-025381%+1 min
2026-036182%+9 min
2026-045888%-6 min
2026-055777%+4 min
2026-065573%+6 min

Performance by day of week

DayFlightsOn-time
Mon9277%
Tue7678%
Wed8579%
Thu9180%
Fri9280%
Sat9279%
Sun9274%

UA flight numbers on SFO → MIA

Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…