Flight OddsUA5855 ASE → SFO
United Airlines · Aspen, CO to San Francisco, CA · 86 flights observed, 2025-07-01 to 2025-09-24 · 848 mi
UA5855 covers more than one route in the data window — the stats below are for ASE → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
75%
Median delay
-4 min
90th percentile
+98 min
Cancellation rate
1%
How often is UA5855 on time?
Across 86 flights on ASE → SFO from 2025-07-01 to 2025-09-24, UA5855 arrived within 15 minutes of schedule 75% of the time. The median arrival delay was -4 min, and the worst 10% of flights arrived +98 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 64 | 75% |
| 16-30 min | 5 | 6% |
| 31-60 min | 2 | 2% |
| 61-120 min | 10 | 12% |
| 2+ hrs | 4 | 5% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 60% | +27 min |
| 2025-08 | 31 | 77% | +20 min |
| 2025-09 | 24 | 92% | -3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 67% |
| Tue | 12 | 100% |
| Wed | 13 | 69% |
| Thu | 12 | 75% |
| Fri | 12 | 75% |
| Sat | 12 | 75% |
| 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…