How reliable is Bangor International Airport?
Flights from BGR departed within 15 minutes of schedule in 83% of 32,503 flights in official BTS history — and weather is calmest in May. 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 BGR looks like
On-time departures
across 32,503 flights
Source: BTS Airport Operations · data through 2026-09-08. Role-specific BTS departure history; advisory context, not a guarantee for any flight.
Weather by month
When the weather works for you at Bangor
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 · 91/100 favorability
Roughest month
Most disruptive — low visibility & fog, snow · 78/100 favorability
The read on BGR
What the numbers say about flying through Bangor International Airport
Across official performance history, flights from Bangor left within 15 minutes of schedule about 83% of the time over 32,503 flights. That's a solid, better-than-average operational record. Pair it with an elevated cancellation rate of 3.7% — worth weighing alongside the on-time figure. When a departure does run late, the typical delay is around 13 minutes.
On weather, Bangor is an unusually calm-weather airport year-round. May is the calmest stretch for flying, scoring 91 out of 100 for favorable conditions, while March is the most disruptive at 78, 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 Bangor, read how we weigh it all in how the Peace of Mind Score works, and brush up with how to pick a reliable flight and avoiding weather delays.
Common questions about BGR
- How reliable is Bangor International Airport (BGR)?
- Flights from Bangor left within 15 minutes of schedule roughly 83% of the time across 32,503 flights of official history — a solid, better-than-average operational record. The cancellation rate runs about 3.7%. It's advisory context, not a guarantee for any single flight.
- What is the best month to fly from BGR for good weather?
- May has the calmest flying weather at Bangor International Airport. March is the most disruptive, mainly from low visibility & fog and snow.
Peace of Mind
Where to stay in Bangor
Hotels scored on cleanliness, location, price fairness, and trust — not just stars.
Reliability guides
Planning a trip through Bangor?
Score real flights to and from BGR on reliability, weather, and connection safety — not just price.
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