Which airline is most reliable for MCI (Kansas City) to BOS (Boston)?

The most reliable airline on the MCI to BOS route is Republic Airways, with an on-time arrival rate of 83%.

How often are flights delayed from MCI to BOS?

About 21% of flights from MCI to BOS experience delays. 79% arrive on time.

What's the average delay on MCI to BOS flights?

When flights from MCI to BOS are delayed, the average delay is approximately 94 minutes.

Is a short connection safe after a MCI to BOS flight?

With 79% of MCI to BOS flights arriving on time and an average delay of 94 minutes when late, a connection under 60 minutes at BOS is risky. We recommend at least 75-90 minutes for domestic connections after this route.

MCI → BOS

MCI (Kansas City) to BOS (Boston)

MCI (Kansas City) to BOS (Boston) flights arrive on time 79% of the time. The most reliable airline on this route is Republic Airways at 83%. The average delay is 94 minutes. Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Source: Bureau of Transportation Statistics. Updated October 2026.

MCI → BOS on-time performance by month

JanFebMarAprMayJunJulAugSepOctNovDec

Worse

Better

This route is on time most of the time. About 79% of flights arrive on schedule.

Delays on this route are most often caused by the airline (crew, maintenance, or boarding).

Accurate?

Republic Airways is significantly more reliable on this route at 83% on time vs Southwest Airlines at 46%.

Airline Comparison

Republic Airways leads at 83% on time; Southwest Airlines trails at 46%.

Accurate?

Good to know

Departing from MCI

80% on time

Expect ~16 min sitting on the taxiway after your gate pushes back. MCI has long runway queues.

TSA is currently ~5 min. Best time: 4 AM (about 5 min).

More about MCI →

Arriving at BOS

77% on time

When flights into BOS are late, the average delay is 75 minutes. Build buffer if you have ground plans.

If connecting at BOS: TSA is ~5 min right now. Allow at least 60 minutes for a domestic connection.

More about BOS →Connection times at BOS →

Flight cancelled or delayed?

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Delays, TSA, weather, gates — we'll let you know if something matters.

MCI Airport BOS Airport

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Data last updated October 2026. Source: Bureau of Transportation Statistics.