Flight OddsUnited Airlines · Philadelphia, PA to San Francisco, CA · 121 flights observed, 2025-08-19 to 2025-12-17 · 2,522 mi
UA1048 covers more than one route in the data window — the stats below are for PHL → SFO, the one it has flown most recently. The others are linked under “Other routes”.
How often is UA1048 on time?
Across 121 flights on PHL → SFO from 2025-08-19 to 2025-12-17, UA1048 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +26 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 | 104 | 86% |
| 16-30 min | 6 | 5% |
| 31-60 min | 7 | 6% |
| 61-120 min | 3 | 2% |
| 2+ hrs | 1 | 1% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-08 | 13 | 100% | -14 min |
| 2025-09 | 30 | 93% | -11 min |
| 2025-10 | 31 | 87% | -3 min |
| 2025-11 | 30 | 83% | +9 min |
| 2025-12 | 17 | 65% | +6 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 17 | 88% |
| Tue | 18 | 89% |
| Wed | 18 | 89% |
| Thu | 17 | 88% |
| Fri | 17 | 76% |
| Sat | 17 | 88% |
| Sun | 17 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…