Flight OddsUA1863 SFO → SAN
United Airlines · San Francisco, CA to San Diego, CA · 82 flights observed, 2026-03-29 to 2026-06-29 · 447 mi
UA1863 covers more than one route in the data window — the stats below are for SFO → SAN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
81%
Median delay
-4 min
90th percentile
+34 min
Cancellation rate
0%
How often is UA1863 on time?
Across 82 flights on SFO → SAN from 2026-03-29 to 2026-06-29, UA1863 arrived within 15 minutes of schedule 81% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +34 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 | 66 | 81% |
| 16-30 min | 6 | 7% |
| 31-60 min | 5 | 6% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +1 min |
| 2026-04 | 30 | 90% | -10 min |
| 2026-05 | 26 | 88% | +5 min |
| 2026-06 | 22 | 64% | +12 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 64% |
| Tue | 8 | 100% |
| Wed | 13 | 85% |
| Thu | 13 | 85% |
| Fri | 13 | 92% |
| Sat | 8 | 88% |
| Sun | 12 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…