ACK → ORD United Airlines
United Airlines · Nantucket, MA to Chicago, IL · 20 flights, 2025-07-05 to 2026-06-28 · aggregated across 3 flight numbers
On-time arrival
50%
Median delay
+14 min
90th percentile
+62 min
Cancellation rate
10%
How on-time is United Airlines from ACK to ORD?
Across every United Airlines flight number on ACK → ORD (20 flights, 2025-07-05 to 2026-06-28), 50% arrived within 15 minutes of schedule. Median arrival delay +14 min; the worst 10% ran +62 min or later. 10% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 9 | 50% |
| 16-30 min | 5 | 28% |
| 31-60 min | 2 | 11% |
| 61-120 min | 1 | 6% |
| 2+ hrs | 1 | 6% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 7 | 43% | +141 min |
| 2025-08 | 5 | 40% | +27 min |
| 2026-06 | 6 | 67% | +4 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | No data | — |
| Tue | No data | — |
| Wed | No data | — |
| Thu | No data | — |
| Fri | No data | — |
| Sat | 9 | 56% |
| Sun | 9 | 44% |
UA flight numbers on ACK → ORD
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…