Flight OddsUA1333 BOS → DEN
United Airlines · Boston, MA to Denver, CO · 12 flights observed, 2026-04-30 to 2026-05-20 · 1,754 mi
UA1333 covers more than one route in the data window — the stats below are for BOS → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
58%
Median delay
+2 min
90th percentile
+85 min
Cancellation rate
0%
How often is UA1333 on time?
Across 12 flights on BOS → DEN from 2026-04-30 to 2026-05-20, UA1333 arrived within 15 minutes of schedule 58% of the time. The median arrival delay was +2 min, and the worst 10% of flights arrived +85 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 | 7 | 58% |
| 16-30 min | 2 | 17% |
| 31-60 min | 1 | 8% |
| 61-120 min | 2 | 17% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 0% | +106 min |
| 2026-05 | 11 | 64% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | 3 | 67% |
| Thu | 3 | 0% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 3 | 100% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…