PlainFlights

Route · EWR → BUF · 2020–2025 BTS data

Newark to Buffalo

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), EWR to BUF (Newark to Buffalo) ranks #2949 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

78%
On-time
-1 pts
vs US avg
72 min
Delay when late
3,890
Flights
#2949 of 4927
Corpus placement

Cancelled

3.8%

Best Month

Nov 2023 95%

Worst Month

Nov 2024 60%

Distance

282 mi

Carriers

6

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 55 11 5 0 YX
Nov 2025 59 17 1 0 UA,YX
Oct 2025 37 16 0 0 UA,YX
Jul 2025 54 19 5 0 UA,YX
Apr 2025 30 10 1 0 UA,YX
Mar 2025 56 8 0 0 YX,UA
Feb 2025 44 12 3 0 UA,YX
Jan 2025 31 8 1 0 UA,YX
Dec 2024 33 15 0 0 UA,YX
Nov 2024 53 21 0 0 YX,UA
Oct 2024 80 13 0 0 UA,YX
Sep 2024 88 18 0 0 YX,UA
Aug 2024 90 18 14 0 YX,UA
Jul 2024 89 24 7 0 UA,YX
Jun 2024 81 19 4 0 UA,YX
May 2024 68 17 0 0 YX,UA
Apr 2024 61 13 1 0 UA,YX
Mar 2024 61 11 0 0 YX,UA
Feb 2024 42 2 0 0 UA,YX
Jan 2024 35 3 7 0 YX,UA
Dec 2023 61 5 0 0 UA,YX
Nov 2023 91 5 0 0 YX,UA
Oct 2023 93 6 0 0 YX,UA
Sep 2023 110 20 8 0 UA,YX

EWR–BUF seasonal on-time pattern

Best: March (85.0%) · weakest: May (70.0%)

65%70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 73.6%

Strongest calendar month

March

85.0% on-time · ~59 flights/mo

Busiest calendar month

September

~96 flights/mo avg

Weakest calendar month

May

70.0% on-time · ~83 flights/mo

Cancellation Rate

3.8%

57 of 1,502 flights

Diversion Rate

0.0%

0 of 1,502 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

EWR - Newark

Full on-time, delay-cause, and seasonal performance for Newark, NJ.

EWR on-time profile

BUF - Buffalo

Full on-time, delay-cause, and seasonal performance for Buffalo, NY.

BUF on-time profile

Compare the two airports

See EWR and BUF side by side on delays, cancellations, and reliability.

Compare EWR vs BUF

Origin-hub reliability standing

Mid-pack among EWR departures

From EWR, this corridor sits with 60 other 75–85% on-time routes out of 74 tracked departures, not the hub's reliability leaders (5 at ≥85%) and not the softest ( 9 below 75%). Destination: Buffalo · fleet on-time rank #3838 of 4927.

What the Data Says About EWR to BUF

The Newark to Buffalo corridor (EWR to BUF) posts a 78% on-time rate on the lower edge of the average band, based on 3,890 tracked flights. Late flights run 72.4 minutes behind on average. 6 carriers cover the 282-mile route; over the last 24 months, 57 of 1,502 flights were cancelled (3.8%) and 0.0% diverted.

The monthly split is wide on this route: Nov 2023 posted the strongest performance at 95% on-time, while Nov 2024 came in at just 60% - a 34-point swing worth factoring into travel timing.

On the multi-year calendar, EWR–BUF peaks in March at 85.0% on-time while September carries the heaviest traffic (~96 flights per month) ; the softest month is May at 70.0%, a 15.0-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does EWR to BUF rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, EWR to BUF ranks #2949 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from EWR to BUF? ▼
Flights from Newark to Buffalo have a 78% on-time rate based on 3,890 flights. The average delay is 72.4 minutes. The best recent month was Nov 2023 with 95% on-time.
What is the cancellation rate for EWR to BUF? ▼
Over the last 24 months, 3.8% of flights on this route were cancelled (57 of 1,502 flights) and 0.0% were diverted.
How far is the flight from EWR to BUF? ▼
The flight distance from Newark (EWR) to Buffalo (BUF) is approximately 282 miles. This route is served by 6 carriers.
When is the best time to fly from EWR to BUF? ▼
The best recent month for on-time performance was Nov 2023 (95% on-time). The worst was Nov 2024 (60% on-time). Consider booking during months with historically better performance.

Airports on this route

EWR Airport

Newark
BUF Airport

Buffalo
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using EWR–BUF data

EWR–BUF is mid-pack at 78% on-time; month and carrier mix move more than the corridor headline.

  • Compare EWR and BUF airport profiles: delay causes and top routes differ even on the same corridor. EWR airport
  • If your dates flex, March (85.0% on-time) beats May (70.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 78% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.