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Flight Reliability

B6 123 · JetBlue Airways

New York → Los Angeles (JFK–LAX)

89
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
8 min early
Average arrival delay
1.6%
Cancelled
16 min early
Median arrival delay

Based on 309 historical flights. Data through May 2026.

What the data says

The 3–6 AM departure wins.

B6 123 departing between 3–6 AM arrived on time 96% of the time, versus 88% between 6–9 AM.

Skip Tuesday if you can.

B6 123 arrived on time 96% of the time on Fridays. On Tuesdays: 84%.

Better than the JFK–LAX route average.

B6 123 arrived on time 89% of the time, versus 79% across the JFK–LAX route.

Well ahead of the JetBlue Airways network.

B6 123 arrived on time 89% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon88%(50 flights)
  • Tue84%(51 flights)
  • Wed88%(51 flights)
  • Thu89%(52 flights)
  • Fri96%(50 flights)
  • Sat—(3 flights)
  • Sun87%(46 flights)
On-time by departure window
  • 3–6 AM96%(25 flights)
  • 6–9 AM88%(278 flights)
On-time trend by month
85%
May

Jun 92% → May 85% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202592%26
July 202596%27
August 202589%26
September 202596%26
October 202596%25
November 202595%21
December 202588%24
January 202668%25
February 202673%22
March 202696%26
April 202689%28
May 202685%27
Departures on time
92%
Diverted
0.3%
Flights flown
303
Months covered
12

Same route, other flights

Keep nerding

Based on 309 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.