UA643 SNA → DEN
United Airlines · Santa Ana, CA to Denver, CO · 68 flights observed, 2025-07-01 to 2025-09-24 · 846 mi
UA643 covers more than one route in the data window — the stats below are for SNA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
70%
Median delay
+2 min
90th percentile
+50 min
Cancellation rate
0%
How often is UA643 on time?
Across 68 flights on SNA → DEN from 2025-07-01 to 2025-09-24, UA643 arrived within 15 minutes of schedule 70% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +50 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 | 47 | 70% |
| 16-30 min | 9 | 13% |
| 31-60 min | 5 | 7% |
| 61-120 min | 3 | 4% |
| 2+ hrs | 3 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 55% | +31 min |
| 2025-08 | 12 | 75% | +25 min |
| 2025-09 | 24 | 88% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 9 | 89% |
| Tue | 10 | 50% |
| Wed | 11 | 82% |
| Thu | 10 | 60% |
| Fri | 9 | 44% |
| Sat | 9 | 89% |
| Sun | 9 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…