UA1732 BOS → ORD
United Airlines · Boston, MA to Chicago, IL · 353 flights observed, 2025-07-01 to 2026-06-30 · 867 mi
UA1732 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
85%
Median delay
-9 min
90th percentile
+30 min
Cancellation rate
1%
How often is UA1732 on time?
Across 353 flights on BOS → ORD from 2025-07-01 to 2026-06-30, UA1732 arrived within 15 minutes of schedule 85% of the time. The median arrival delay was -9 min, and the worst 10% of flights arrived +30 min or later. 1% of flights were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 298 | 85% |
| 16-30 min | 16 | 5% |
| 31-60 min | 15 | 4% |
| 61-120 min | 9 | 3% |
| 2+ hrs | 11 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 31 | 81% | +12 min |
| 2025-08 | 31 | 81% | +10 min |
| 2025-09 | 30 | 77% | 0 min |
| 2025-10 | 31 | 84% | +5 min |
| 2025-11 | 29 | 79% | +19 min |
| 2025-12 | 31 | 87% | +8 min |
| 2026-01 | 30 | 87% | -7 min |
| 2026-02 | 26 | 96% | -14 min |
| 2026-03 | 24 | 71% | +74 min |
| 2026-04 | 26 | 96% | -3 min |
| 2026-05 | 31 | 90% | -5 min |
| 2026-06 | 29 | 97% | +2 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 85% |
| Tue | 52 | 92% |
| Wed | 52 | 87% |
| Thu | 50 | 88% |
| Fri | 52 | 92% |
| Sat | 44 | 77% |
| Sun | 52 | 75% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…