Skip to content
WanderNerd
Check a flight

Flight Reliability

B6 641 · JetBlue Airways

Boston → Cleveland (BOS–CLE)

85
Pretty Reliable
WanderNerd Reliability Score
86%
Arrive within 15 minutes
2 min
Average arrival delay
2.2%
Cancelled
10 min early
Median arrival delay

Based on 271 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

B6 641 departing between 6–9 AM arrived on time 91% of the time, versus 82% between 12–3 PM.

Friday is doing you no favors.

B6 641 arrived on time 100% of the time on Wednesdays and just 76% on Fridays. That gap is worth planning around.

Better than the BOS–CLE route average.

B6 641 arrived on time 86% of the time, versus 76% across the BOS–CLE route.

Better than the JetBlue Airways network average.

B6 641 arrived on time 86% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon83%(40 flights)
  • Tue85%(27 flights)
  • Wed100%(28 flights)
  • Thu83%(41 flights)
  • Fri76%(41 flights)
  • Sat91%(45 flights)
  • Sun86%(43 flights)
On-time by departure window
  • 6–9 AM91%(70 flights)
  • 9 AM–12 PM85%(119 flights)
  • 12–3 PM82%(72 flights)
  • 3–6 PM—(4 flights)
On-time trend by month
84%
May

Jun 74% → May 84% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202574%23
July 202577%31
August 202587%23
September 202593%29
October 202594%31
November 202593%28
December 202574%27
March 202684%19
April 202696%26
May 202684%25
Departures on time
85%
Diverted
0%
Flights flown
265
Months covered
11

Same route, other flights

Keep nerding

Based on 271 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.