UA511
United Airlines flight 511 — Fort Myers (RSW) to Chicago (ORD)
On time
80%
Avg delay
~61 min
Cancelled
1.2%
UA511 is a reliable flight. About 80% of departures arrive on time. When delays happen, the most common cause is late-arriving aircraft.
Monthly breakdown
| Month | On time | Cancelled | Avg delay |
|---|---|---|---|
| 2026-07 | 64% | 3.8% | 63 min |
| 2026-07 | 68% | 0.0% | 63 min |
| 2026-06 | 89% | 3.4% | 169 min |
| 2026-06 | 52% | 0.0% | 78 min |
| 2026-05 | 84% | 0.0% | 137 min |
| 2026-05 | 56% | 0.0% | 113 min |
| 2026-04 | 68% | 6.7% | 39 min |
| 2026-04 | 55% | 0.0% | 62 min |
| 2026-03 | 71% | 8.7% | 192 min |
| 2026-03 | 75% | 0.0% | 22 min |
| 2026-03 | 74% | 0.0% | 121 min |
| 2026-02 | 64% | 0.0% | 55 min |
Top delay cause
late-arriving aircraft
Based on 1,855 tracked departures
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Get a free briefingData last updated October 2026. Source: Bureau of Transportation Statistics.