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WanderNerd

Flight Reliability

B6 1338 · JetBlue Airways

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and B6 1338 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

71%
Arrive within 15 minutes
19 min
Average arrival delay
1.6%
Cancelled
1 min
Median arrival delay

Based on 253 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon62%(34 flights)
  • Tue80%(35 flights)
  • Wed74%(34 flights)
  • Thu83%(35 flights)
  • Fri68%(37 flights)
  • Sat76%(37 flights)
  • Sun53%(36 flights)
On-time by departure window
  • 9 AM–12 PM82%(108 flights)
  • 12–3 PM67%(84 flights)
  • 3–6 PM69%(16 flights)
  • 6–9 PM61%(28 flights)
  • 9 PM–12 AM25%(12 flights)
On-time trend by month
41%
Apr

Jul 76% → Apr 41% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
July 202576%29
August 202587%31
September 202587%30
October 202572%18
November 202565%26
December 202561%31
February 202656%16
March 202690%30
April 202641%27
Departures on time
72%
Diverted
0.4%
Flights flown
248
Months covered
11

Based on 253 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.