Flight OddsUnited Airlines · Los Angeles, CA to San Francisco, CA · 19 flights observed, 2025-12-18 to 2026-01-05 · 337 mi
UA1221 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”.
How often is UA1221 on time?
Across 19 flights on LAX → SFO from 2025-12-18 to 2026-01-05, UA1221 arrived within 15 minutes of schedule 28% of the time. The median arrival delay was +44 min, and the worst 10% of flights arrived +201 min or later. 5% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 5 | 28% |
| 16-30 min | 2 | 11% |
| 31-60 min | 3 | 17% |
| 61-120 min | 2 | 11% |
| 2+ hrs | 6 | 33% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-12 | 14 | 29% | +73 min |
| 2026-01 | 4 | 25% | +102 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 0% |
| Tue | 2 | 50% |
| Wed | 2 | 0% |
| Thu | 3 | 33% |
| Fri | 3 | 33% |
| Sat | 2 | 0% |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…