Flight OddsUA2427 RAP → ORD
United Airlines · Rapid City, SD to Chicago, IL · 117 flights observed, 2025-07-01 to 2025-10-25 · 780 mi
UA2427 covers more than one route in the data window — the stats below are for RAP → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
0 min
90th percentile
+51 min
Cancellation rate
0%
How often is UA2427 on time?
Across 117 flights on RAP → ORD from 2025-07-01 to 2025-10-25, UA2427 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was 0 min, and the worst 10% of flights arrived +51 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 | 87 | 76% |
| 16-30 min | 9 | 8% |
| 31-60 min | 9 | 8% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 63% | +20 min |
| 2025-08 | 29 | 72% | +15 min |
| 2025-09 | 30 | 90% | -1 min |
| 2025-10 | 25 | 80% | +3 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 73% |
| Tue | 17 | 88% |
| Wed | 17 | 94% |
| Thu | 17 | 76% |
| Fri | 17 | 71% |
| Sat | 16 | 69% |
| Sun | 15 | 60% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…