Flight OddsBOS → DEN United Airlines
United Airlines · Boston, MA to Denver, CO · 1,908 flights, 2025-07-01 to 2026-06-30 · aggregated across 15 flight numbers
On-time arrival
83%
Median delay
-9 min
90th percentile
+33 min
Cancellation rate
1%
How on-time is United Airlines from BOS to DEN?
Across every United Airlines flight number on BOS → DEN (1,908 flights, 2025-07-01 to 2026-06-30), 83% arrived within 15 minutes of schedule. Median arrival delay -9 min; the worst 10% ran +33 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 1,566 | 83% |
| 16-30 min | 109 | 6% |
| 31-60 min | 105 | 6% |
| 61-120 min | 66 | 4% |
| 2+ hrs | 36 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 190 | 76% | +8 min |
| 2025-08 | 181 | 76% | +3 min |
| 2025-09 | 166 | 76% | +8 min |
| 2025-10 | 171 | 82% | +4 min |
| 2025-11 | 157 | 92% | -4 min |
| 2025-12 | 139 | 82% | +5 min |
| 2026-01 | 119 | 82% | -3 min |
| 2026-02 | 113 | 89% | -8 min |
| 2026-03 | 145 | 89% | -6 min |
| 2026-04 | 149 | 93% | -11 min |
| 2026-05 | 174 | 86% | -4 min |
| 2026-06 | 178 | 80% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 282 | 85% |
| Tue | 251 | 87% |
| Wed | 267 | 85% |
| Thu | 283 | 76% |
| Fri | 290 | 81% |
| Sat | 234 | 86% |
| Sun | 275 | 82% |
UA flight numbers on BOS → DEN
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…