Flight OddsUA1349 BOS → ORD
United Airlines · Boston, MA to Chicago, IL · 246 flights observed, 2025-10-26 to 2026-06-30 · 867 mi
UA1349 covers more than one route in the data window — the stats below are for BOS → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
87%
Median delay
-12 min
90th percentile
+21 min
Cancellation rate
2%
How often is UA1349 on time?
Across 246 flights on BOS → ORD from 2025-10-26 to 2026-06-30, UA1349 arrived within 15 minutes of schedule 87% of the time. The median arrival delay was -12 min, and the worst 10% of flights arrived +21 min or later. 2% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 208 | 87% |
| 16-30 min | 14 | 6% |
| 31-60 min | 7 | 3% |
| 61-120 min | 5 | 2% |
| 2+ hrs | 5 | 2% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-10 | 6 | 100% | -17 min |
| 2025-11 | 30 | 77% | +13 min |
| 2025-12 | 30 | 90% | +4 min |
| 2026-01 | 28 | 75% | +19 min |
| 2026-02 | 25 | 100% | -16 min |
| 2026-03 | 30 | 87% | -6 min |
| 2026-04 | 29 | 90% | -6 min |
| 2026-05 | 31 | 87% | -5 min |
| 2026-06 | 30 | 90% | -9 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 33 | 85% |
| Tue | 34 | 91% |
| Wed | 34 | 94% |
| Thu | 33 | 85% |
| Fri | 34 | 94% |
| Sat | 35 | 83% |
| Sun | 36 | 78% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…