Which airline is most reliable for EWR (Newark) to BUF (Buffalo)?

The most reliable airline on the EWR to BUF route is Republic Airways, with an on-time arrival rate of 88%.

How often are flights delayed from EWR to BUF?

About 25% of flights from EWR to BUF experience delays. 75% arrive on time.

What's the average delay on EWR to BUF flights?

When flights from EWR to BUF are delayed, the average delay is approximately 72 minutes.

Is a short connection safe after a EWR to BUF flight?

With 75% of EWR to BUF flights arriving on time and an average delay of 72 minutes when late, a connection under 60 minutes at BUF is risky. We recommend at least 75-90 minutes for domestic connections after this route.

EWR → BUF

EWR (Newark) to BUF (Buffalo)

EWR (Newark) to BUF (Buffalo) flights arrive on time 75% of the time. The most reliable airline on this route is Republic Airways at 88%. The average delay is 72 minutes. Delays on this route are most often caused by the incoming plane arriving late.

Source: Bureau of Transportation Statistics. Updated March 2026.

EWR → BUF on-time performance by month

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Worse

Better

This route is on time most of the time. About 75% of flights arrive on schedule.

Delays on this route are most often caused by the incoming plane arriving late.

Accurate?

Republic Airways is significantly more reliable on this route at 88% on time vs United Airlines at 61%.

Airline Comparison

Republic Airways leads at 88% on time; United Airlines trails at 61%.

Accurate?

Good to know

Departing from EWR

77% on time

Expect ~21 min sitting on the taxiway after your gate pushes back. EWR has long runway queues.

TSA is currently ~15 min. Best time: 4 AM (about 5 min).

EWR cancels 3.1% of flights — higher than average. Have a backup plan.

More about EWR →

Arriving at BUF

79% on time

When flights into BUF are late, the average delay is 71 minutes. Build buffer if you have ground plans.

If connecting at BUF: TSA is ~13 min right now. Allow at least 60 minutes for a domestic connection.

BUF has a 2.7% cancellation rate — keep the airline app handy for rebooking.

More about BUF →Connection times at BUF →

Flight cancelled or delayed?

Check what Republic Airways owes you — refund rights, action plan, complaint email. Free.

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Delay riskDOT stats + live data

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