YOW Today
Clean day, better than the weekly average. Departures at 100%. Midday flights ran 39 points better than afternoon. Fly 12pm - 3pm if you can. That window has been running at 86%.
What This Means for You
Good day to fly from YOW. 100% of departures are on time. Your flight will probably leave on schedule. Normal operations.
If you can choose your departure time: midday flights (12pm - 3pm) run at 86%. Afternoon (3pm - 6pm) drops to 47%. That is a 39-point difference from the same airport on the same day.
Airline Performance at YOW
Aer Lingus is the most reliable carrier at YOW with 92% on-time. avianca runs 52%. That is a 40-point spread. If you have a choice, the airline matters.
YOW Flight Board
Live departures and arrivals at Ottawa Macdonald-Cartier International Airport.
| Status | Airline | Flight | Destination | Sched | Updated | Gate |
|---|---|---|---|---|---|---|
Pick Your Window
Midday vs Afternoon is a 39-point swing at YOW. The midday block runs at 86%. If you have any say in your departure time, this is the biggest thing you can control.
Through the Day
Morning held up fine at 81%. Hit 33% around 3pm, peaked at 91% around 12pm. Currently at 100%, recovered past the morning. A 58-point swing from best to worst today.
vs Last Week
Down 7 points from last week (73% vs 80%). Tue was the worst day, Sun the best.
The Bigger Picture
YOW has been bouncing between 56% and 96%. Best day was Jun 3 at 96%. Worst was Jul 2 at 56%. The norm is 80-86%, which is just how YOW runs. Today's 100% is a good day by YOW standards.
About YOW Delays
Ottawa Macdonald-Cartier International Airport (YOW) is currently running on time with 100% on-time departures. This data updates every 15 minutes from FAA sources.
Ottawa Macdonald-Cartier International Airport has averaged 73% on-time departures this week, making it moderately reliable. Performance varies by time of day and weather conditions.
Ottawa Macdonald-Cartier International Airport is one of 179 FAA-monitored airports with real-time delay tracking. Data includes departure and arrival on-time percentages, updated every 15 minutes, with historical trends available for the past 90 days.
Nearby alternatives include YUL (Montreal / Pierre Elliott Trudeau International Airport). When YOW is experiencing delays, these airports may offer better on-time performance.
Early morning departures from Ottawa Macdonald-Cartier International Airport typically have the highest on-time rates. Delays tend to accumulate throughout the day as cascading effects from earlier disruptions compound. Check the 24-hour trend chart above for today's pattern.