How reliable is Bradley International Airport?
Flights from BDL departed within 15 minutes of schedule in 82% of 139,316 flights in official BTS history — and weather is calmest in Nov. Here’s the full picture before you book.
Reliability score
on-time, cancellations & delays
Weather favorability
year-round climate
Origin-airport operations
What the departure punctuality at BDL looks like
On-time departures
across 139,316 flights
Source: BTS Airport Operations · data through 2026-06-25. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
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Weather by month
When the weather works for you at Windsor Locks
A calm-weather score (0–100) for each month from decades of airport observations — how often conditions disrupt flying, not temperature. Higher is calmer.
Calmest month
Calmest flying weather of the year · 93/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 81/100 favorability
The read on BDL
What the numbers say about flying through Bradley International Airport
Across official performance history, flights from Windsor Locks left within 15 minutes of schedule about 82% of the time over 139,316 flights. That's a solid, better-than-average operational record. Pair it with a moderate cancellation rate of 2.1%. When a departure does run late, the typical delay is around 12 minutes.
On weather, Windsor Locks is an unusually calm-weather airport year-round. November is the calmest stretch for flying, scoring 93 out of 100 for favorable conditions, while February is the most disruptive at 81, driven mainly by low visibility & fog and snow. The year is relatively steady, so no single month stands out as one to avoid on weather alone.
None of this guarantees your specific flight — it’s the backdrop. To turn it into a booking, score real flights to Windsor Locks, read how we weigh it all in how the PlaneSane Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about BDL
- How reliable is Bradley International Airport (BDL)?
- Flights from Windsor Locks left within 15 minutes of schedule roughly 82% of the time across 139,316 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 2.1%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from BDL for good weather?
- November has the calmest flying weather at Bradley International Airport. February is the most disruptive, mainly from low visibility & fog and snow.
Planning a trip through Windsor Locks?
Score real flights to and from BDL on reliability, weather, and connection safety — not just price.