UA503 ORD → FLL
United Airlines · Chicago, IL to Fort Lauderdale, FL · 45 flights observed, 2026-01-08 to 2026-05-20 · 1,182 mi
UA503 covers more than one route in the data window — the stats below are for ORD → FLL, the one it has flown most recently. The others are linked under “Other routes”.
On-time arrival
76%
Median delay
-5 min
90th percentile
+53 min
Cancellation rate
0%
How often is UA503 on time?
Across 45 flights on ORD → FLL from 2026-01-08 to 2026-05-20, UA503 arrived within 15 minutes of schedule 76% of the time. The median arrival delay was -5 min, and the worst 10% of flights arrived +53 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 | 34 | 76% |
| 16-30 min | 3 | 7% |
| 31-60 min | 4 | 9% |
| 61-120 min | 2 | 4% |
| 2+ hrs | 2 | 4% |
Performance by month
| Month | Flights | On-time | Avg delay |
|---|---|---|---|
| 2026-01 | 17 | 76% | +12 min |
| 2026-02 | 7 | 71% | +3 min |
| 2026-04 | 1 | 100% | +1 min |
| 2026-05 | 20 | 75% | +8 min |
Performance by day of week
| Day | Flights | On-time |
|---|---|---|
| Mon | 8 | 63% |
| Tue | 3 | 67% |
| Wed | 3 | 67% |
| Thu | 8 | 88% |
| Fri | 7 | 86% |
| Sat | 8 | 88% |
| Sun | 8 | 63% |
Other routes
Related
Based on US Department of Transportation Bureau of Transportation Statistics on-time data. Loading live conditions and full charts…