Flight OddsUA2121 FCA → DEN
United Airlines · Kalispell, MT to Denver, CO · 52 flights observed, 2025-10-26 to 2025-12-17 · 752 mi
UA2121 covers more than one route in the data window — the stats below are for FCA → DEN, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
85%
Median delay
-11 min
90th percentile
+36 min
Cancellation rate
0%
How often is UA2121 on time?
Across 52 flights on FCA → DEN from 2025-10-26 to 2025-12-17, UA2121 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -11 min, and the worst 10% of flights arrived +36 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 | 44 | 85% |
| 16-30 min | 1 | 2% |
| 31-60 min | 4 | 8% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 1 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -12 min |
| 2025-11 | 29 | 97% | -9 min |
| 2025-12 | 17 | 59% | +26 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 8 | 100% |
| Wed | 8 | 88% |
| Thu | 6 | 83% |
| Fri | 7 | 86% |
| Sat | 7 | 86% |
| Sun | 8 | 88% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…