UA1504 ORD → MIA
United Airlines · Chicago, IL to Miami, FL · 14 flights observed, 2026-04-30 to 2026-05-20 · 1,197 mi
UA1504 covers more than one route in the data window — the stats below are for ORD → MIA, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
50%
Median delay
+12 min
90th percentile
+231 min
Cancellation rate
0%
How often is UA1504 on time?
Across 14 flights on ORD → MIA from 2026-04-30 to 2026-05-20, UA1504 arrived within 15 minutes of schedule 50% of the time. The median arrival delay was +12 min, and the worst 10% of flights arrived +231 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 | 7 | 50% |
| 16-30 min | 3 | 21% |
| 31-60 min | 1 | 7% |
| 61-120 min | 0 | 0% |
| 2+ hrs | 3 | 21% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-04 | 1 | 100% | +2 min |
| 2026-05 | 13 | 46% | +63 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 3 | 33% |
| Tue | No data | — |
| Wed | 3 | 100% |
| Thu | 3 | 33% |
| Fri | 3 | 67% |
| Sat | No data | — |
| Sun | 2 | 0% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…