Flight OddsUA1970 ORD → BOS
United Airlines · Chicago, IL to Boston, MA · 32 flights observed, 2026-03-29 to 2026-04-29 · 867 mi
UA1970 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
69%
Median delay
+3 min
90th percentile
+49 min
Cancellation rate
0%
How often is UA1970 on time?
Across 32 flights on ORD → BOS from 2026-03-29 to 2026-04-29, UA1970 arrived within 15 minutes of schedule 69% of the time. The median arrival delay was +3 min, and the worst 10% of flights arrived +49 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 | 22 | 69% |
| 16-30 min | 3 | 9% |
| 31-60 min | 5 | 16% |
| 61-120 min | 2 | 6% |
| 2+ hrs | 0 | 0% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-03 | 3 | 67% | +11 min |
| 2026-04 | 29 | 69% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 5 | 80% |
| Tue | 5 | 60% |
| Wed | 5 | 60% |
| Thu | 4 | 50% |
| Fri | 4 | 100% |
| Sat | 4 | 100% |
| Sun | 5 | 40% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…