RouteRankingWhich Irish Airport Has the Best On-Time Performance?
Irish departure airports ranked by historical on-time performance
If you are choosing between Irish airports, punctuality data should factor into that decision. We tracked 4,728 qualifying flight observations across Dublin, Cork, Shannon and Knock over the past 60 days to rank each airport by on-time arrival performance.
| Rank | Airport | On-time % | Sample size |
|---|---|---|---|
| 1 | Shannon Airport | 90.0% | 219 |
| 2 | Cork Airport | 89.7% | 729 |
| 3 | Dublin Airport | 84.7% | 3,613 |
| 4 | Knock Airport | 74.3% | 167 |
Key findings
The headline finding: Cork Airport is the most reliable departure point among Ireland's major airports, with 89.7% of flights arriving on time. Shannon Airport edges it on raw percentage at 90.0%, but Cork Airport's figure is based on 729 flights compared to Shannon Airport's 219, making it a more robust comparison. Dublin Airport sits at 84.7% across 3,613 flights. Knock Airport is last at 74.3% across 167 flights. That is a 15.7 percentage-point gap between the top and bottom airports in this dataset.
The bigger your sample, the more confidence you can place in the number. Dublin Airport's 84.7% is the most stable figure in this dataset. Cork Airport's 89.7% is the most meaningful of the smaller airports.
Based on the past 60 days of flight data · Updated daily