Flight OddsUA1117 ORD → BOS
United Airlines · Chicago, IL to Boston, MA · 84 flights observed, 2026-03-05 to 2026-06-30 · 867 mi
UA1117 covers more than one route in the data window — the stats below are for ORD → BOS, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
86%
Median delay
-12 min
90th percentile
+27 min
Cancellation rate
0%
How often is UA1117 on time?
Across 84 flights on ORD → BOS from 2026-03-05 to 2026-06-30, UA1117 arrived within 15 minutes of schedule 86% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +27 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 | 72 | 86% |
| 16-30 min | 4 | 5% |
| 31-60 min | 4 | 5% |
| 61-120 min | 2 | 2% |
| 2+ hrs | 2 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 23 | 70% | +13 min |
| 2026-04 | 25 | 88% | +2 min |
| 2026-05 | 9 | 89% | 0 min |
| 2026-06 | 27 | 96% | -16 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 14 | 86% |
| Tue | 14 | 100% |
| Wed | 13 | 85% |
| Thu | 14 | 86% |
| Fri | 14 | 64% |
| Sat | 1 | 100% |
| Sun | 14 | 93% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…