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Route Reliability

New York → Portland

JFK–PWM · 273 miles · John F. Kennedy International Airport to Portland International Jetport

65
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
4 min
Average arrival delay
5.1%
Cancelled
1,053
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines80%711 flights
  2. 2.JetBlue Airways70%342 flights

What the data says

The 12–3 PM departure wins.

JFK–PWM flights departing between 12–3 PM arrived on time 81% of the time, versus 67% between 6–9 PM.

Sunday scaries are real for this one.

JFK–PWM flights arrived on time 84% of the time on Saturdays and just 68% on Sundays. That gap is worth planning around.

Delta Air Lines runs this route best.

Delta Air Lines arrived on time 80% of the time on this route; JetBlue Airways managed 70%.

Keep a backup plan handy.

This route was cancelled 5.1% of the time. Typical for U.S. flights is around 1–2%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon76%(143 flights)
  • Tue78%(139 flights)
  • Wed78%(139 flights)
  • Thu76%(145 flights)
  • Fri79%(148 flights)
  • Sat84%(140 flights)
  • Sun68%(145 flights)
On-time by departure window
  • 9 AM–12 PM78%(18 flights)
  • 12–3 PM81%(485 flights)
  • 6–9 PM67%(21 flights)
  • 9 PM–12 AM73%(475 flights)
On-time trend by month
83%
May

Jun 68% → May 83% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202568%108
July 202559%102
August 202579%122
September 202585%106
October 202581%105
November 202580%56
December 202561%46
January 202690%52
February 202686%50
March 202676%62
April 202679%90
May 202683%100

Same trip, other airports

Keep nerding

Based on 1,053 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.