Flight OddsUA520 LAX → SFO
United Airlines · Los Angeles, CA to San Francisco, CA · 58 flights observed, 2026-01-06 to 2026-06-30 · 337 mi
UA520 covers more than one route in the data window — the stats below are for LAX → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
74%
Median delay
-1 min
90th percentile
+44 min
Cancellation rate
0%
How often is UA520 on time?
Across 58 flights on LAX → SFO from 2026-01-06 to 2026-06-30, UA520 arrived within 15 minutes of schedule 74% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +44 min or later. 0% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 43 | 74% |
| 16-30 min | 6 | 10% |
| 31-60 min | 5 | 9% |
| 61-120 min | 3 | 5% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 26 | 85% | +0 min |
| 2026-02 | 23 | 70% | +8 min |
| 2026-03 | 3 | 33% | +19 min |
| 2026-06 | 6 | 67% | +14 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 67% |
| Tue | 10 | 80% |
| Wed | 9 | 78% |
| Thu | 9 | 100% |
| Fri | 9 | 56% |
| Sat | 6 | 83% |
| Sun | 6 | 50% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…