Flight OddsUA573 BOI → ORD
United Airlines · Boise, ID to Chicago, IL · 116 flights observed, 2025-07-01 to 2025-10-25 · 1,437 mi
UA573 covers more than one route in the data window — the stats below are for BOI → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
77%
Median delay
-1 min
90th percentile
+62 min
Cancellation rate
0%
How often is UA573 on time?
Across 116 flights on BOI → ORD from 2025-07-01 to 2025-10-25, UA573 arrived within 15 minutes of schedule 77% of the time. The median arrival delay was -1 min, and the worst 10% of flights arrived +62 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 | 88 | 77% |
| 16-30 min | 8 | 7% |
| 31-60 min | 6 | 5% |
| 61-120 min | 7 | 6% |
| 2+ hrs | 5 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 65% | +25 min |
| 2025-08 | 29 | 76% | +22 min |
| 2025-09 | 30 | 80% | +7 min |
| 2025-10 | 24 | 92% | -1 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 15 | 93% |
| Tue | 17 | 82% |
| Wed | 17 | 59% |
| Thu | 17 | 82% |
| Fri | 16 | 63% |
| Sat | 16 | 81% |
| Sun | 16 | 81% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…