Flight OddsUA640 DEN → DFW
United Airlines · Denver, CO to Dallas/Fort Worth, TX · 60 flights observed, 2025-07-02 to 2025-09-24 · 641 mi
On-time arrival
57%
Median delay
+11 min
90th percentile
+125 min
Cancellation rate
2%
How often is UA640 on time?
Across 60 flights on DEN → DFW from 2025-07-02 to 2025-09-24, UA640 arrived within 15 minutes of schedule 57% of the time. The median arrival delay was +11 min, and the worst 10% of flights arrived +125 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 32 | 57% |
| 16-30 min | 6 | 11% |
| 31-60 min | 7 | 13% |
| 61-120 min | 5 | 9% |
| 2+ hrs | 6 | 11% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 21 | 43% | +39 min |
| 2025-08 | 20 | 60% | +31 min |
| 2025-09 | 15 | 73% | +21 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 12 | 58% |
| Tue | No data | — |
| Wed | 11 | 91% |
| Thu | 12 | 58% |
| Fri | 11 | 55% |
| Sat | No data | — |
| Sun | 10 | 20% |
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…