Flight OddsUA2423 MIA → SFO
United Airlines · Miami, FL to San Francisco, CA · 255 flights observed, 2025-07-01 to 2026-03-28 · 2,585 mi
UA2423 covers more than one route in the data window — the stats below are for MIA → SFO, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
0 min
90th percentile
+80 min
Cancellation rate
0%
How often is UA2423 on time?
Across 255 flights on MIA → SFO from 2025-07-01 to 2026-03-28, UA2423 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +80 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 | 177 | 70% |
| 16-30 min | 27 | 11% |
| 31-60 min | 16 | 6% |
| 61-120 min | 16 | 6% |
| 2+ hrs | 17 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 67% | +7 min |
| 2025-08 | 30 | 53% | +27 min |
| 2025-09 | 30 | 70% | +22 min |
| 2025-10 | 31 | 90% | +1 min |
| 2025-11 | 30 | 77% | +2 min |
| 2025-12 | 15 | 40% | +66 min |
| 2026-01 | 31 | 71% | +54 min |
| 2026-02 | 28 | 64% | +23 min |
| 2026-03 | 28 | 82% | -2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 36 | 56% |
| Tue | 36 | 81% |
| Wed | 35 | 74% |
| Thu | 37 | 70% |
| Fri | 36 | 75% |
| Sat | 37 | 76% |
| Sun | 36 | 58% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…