Flight OddsORD → MIA United Airlines
United Airlines · Chicago, IL to Miami, FL · 1,041 flights, 2025-07-01 to 2026-06-30 · aggregated across 27 flight numbers
On-time arrival
75%
Median delay
-4 min
90th percentile
+48 min
Cancellation rate
1%
How on-time is United Airlines from ORD to MIA?
Across every United Airlines flight number on ORD → MIA (1,041 flights, 2025-07-01 to 2026-06-30), 75% arrived within 15 minutes of schedule. Median arrival delay -4 min; the worst 10% ran +48 min or later. 1% were cancelled.
Delay distribution
Arrival delay for completed flights (excludes cancellations and diversions).
| Arrival | Flights | Share |
|---|---|---|
| Early / on-time | 768 | 75% |
| 16-30 min | 105 | 10% |
| 31-60 min | 78 | 8% |
| 61-120 min | 52 | 5% |
| 2+ hrs | 27 | 3% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 61 | 75% | +4 min |
| 2025-08 | 54 | 70% | +4 min |
| 2025-09 | 48 | 85% | +7 min |
| 2025-10 | 60 | 78% | +1 min |
| 2025-11 | 82 | 74% | +16 min |
| 2025-12 | 111 | 73% | +10 min |
| 2026-01 | 111 | 75% | +8 min |
| 2026-02 | 111 | 81% | -3 min |
| 2026-03 | 132 | 61% | +25 min |
| 2026-04 | 84 | 76% | +2 min |
| 2026-05 | 86 | 78% | +15 min |
| 2026-06 | 90 | 77% | +7 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 156 | 76% |
| Tue | 123 | 85% |
| Wed | 123 | 80% |
| Thu | 158 | 80% |
| Fri | 161 | 75% |
| Sat | 151 | 72% |
| Sun | 158 | 58% |
UA flight numbers on ORD → MIA
Related
Based on US DOT Bureau of Transportation Statistics on-time data. Loading the full breakdown…