Flight OddsUA1983 MIA → ORD
United Airlines · Miami, FL to Chicago, IL · 300 flights observed, 2025-07-01 to 2026-06-30 · 1,197 mi
UA1983 covers more than one route in the data window — the stats below are for MIA → ORD, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
80%
Median delay
-7 min
90th percentile
+40 min
Cancellation rate
0%
How often is UA1983 on time?
Across 300 flights on MIA → ORD from 2025-07-01 to 2026-06-30, UA1983 arrived within 15 minutes of schedule 80% of the time. The median arrival delay was -7 min, and the worst 10% of flights arrived +40 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 | 238 | 80% |
| 16-30 min | 21 | 7% |
| 31-60 min | 11 | 4% |
| 61-120 min | 13 | 4% |
| 2+ hrs | 13 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2025-07 | 30 | 73% | +39 min |
| 2025-08 | 24 | 83% | +1 min |
| 2025-09 | 18 | 94% | -12 min |
| 2025-10 | 24 | 96% | -9 min |
| 2025-11 | 29 | 62% | +32 min |
| 2025-12 | 31 | 77% | +2 min |
| 2026-01 | 30 | 80% | +17 min |
| 2026-02 | 24 | 83% | +3 min |
| 2026-03 | 25 | 76% | +13 min |
| 2026-04 | 1 | 100% | +5 min |
| 2026-05 | 31 | 74% | +5 min |
| 2026-06 | 29 | 93% | -15 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 47 | 87% |
| Tue | 35 | 74% |
| Wed | 34 | 79% |
| Thu | 47 | 79% |
| Fri | 46 | 83% |
| Sat | 42 | 83% |
| Sun | 45 | 76% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…