Flight OddsUA1897 ORD → BOI
United Airlines · Chicago, IL to Boise, ID · 17 flights observed, 2026-04-30 to 2026-05-19 · 1,437 mi
UA1897 covers more than one route in the data window — the stats below are for ORD → BOI, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
41%
Median delay
+21 min
90th percentile
+87 min
Cancellation rate
0%
How often is UA1897 on time?
Across 17 flights on ORD → BOI from 2026-04-30 to 2026-05-19, UA1897 arrived within 15 minutes of schedule 41% of the time. The median arrival delay was +21 min, and the worst 10% of flights arrived +87 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 | 7 | 41% |
| 16-30 min | 4 | 24% |
| 31-60 min | 2 | 12% |
| 61-120 min | 3 | 18% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 0% | +24 min |
| 2026-05 | 16 | 44% | +32 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | 3 | 33% |
| Wed | 2 | 50% |
| Thu | 3 | 0% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 3 | 67% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…