UA1728 IAD → DEN
United Airlines · Washington, DC to Denver, CO · 86 flights observed, 2025-07-01 to 2025-09-24 · 1,452 mi
UA1728 covers more than one route in the data window — the stats below are for IAD → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
64%
Median delay
+6 min
90th percentile
+100 min
Cancellation rate
0%
How often is UA1728 on time?
Across 86 flights on IAD → DEN from 2025-07-01 to 2025-09-24, UA1728 arrived within 15 minutes of schedule 64% of the time. The median arrival delay was +6 min, and the worst 10% of flights arrived +100 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 | 54 | 64% |
| 16-30 min | 7 | 8% |
| 31-60 min | 6 | 7% |
| 61-120 min | 12 | 14% |
| 2+ hrs | 6 | 7% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 50% | +58 min |
| 2025-08 | 31 | 68% | +12 min |
| 2025-09 | 24 | 75% | +11 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 75% |
| Tue | 13 | 62% |
| Wed | 13 | 54% |
| Thu | 12 | 42% |
| Fri | 12 | 75% |
| Sat | 12 | 58% |
| Sun | 11 | 82% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…