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Flight Reliability

B6 1237 · JetBlue Airways

Boston → Detroit (BOS–DTW)

52
A Little Dicey
WanderNerd Reliability Score
63%
Arrive within 15 minutes
21 min
Average arrival delay
3.4%
Cancelled
1 min
Median arrival delay

Based on 148 historical flights. Data through May 2026.

What the data says

The late departure is the smart one here.

B6 1237 departing between 6–9 PM arrived on time 83% of the time, versus 52% between 3–6 PM.

Sunday scaries are real for this one.

B6 1237 arrived on time 77% of the time on Wednesdays and just 46% on Sundays. That gap is worth planning around.

Well behind the BOS–DTW route.

B6 1237 arrived on time 63% of the time, versus 78% across the BOS–DTW route.

Lagging the JetBlue Airways network.

B6 1237 arrived on time 63% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon65%(23 flights)
  • Tue71%(14 flights)
  • Wed77%(17 flights)
  • Thu55%(22 flights)
  • Fri72%(25 flights)
  • Sat61%(18 flights)
  • Sun46%(24 flights)
On-time by departure window
  • 12–3 PM77%(47 flights)
  • 3–6 PM52%(84 flights)
  • 6–9 PM83%(12 flights)
On-time trend by month
73%
May

Jun 59% → May 73% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202559%22
July 202541%27
August 202565%26
September 202582%17
October 202568%25
November 202582%11
May 202673%11
Departures on time
66%
Diverted
0%
Flights flown
143
Months covered
9

Same route, other flights

Keep nerding

Based on 148 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.