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Flight Reliability

B6 159 · JetBlue Airways

Boston → Philadelphia (BOS–PHL)

80
Pretty Reliable
WanderNerd Reliability Score
89%
Arrive within 15 minutes
4 min early
Average arrival delay
4.3%
Cancelled
11 min early
Median arrival delay

Based on 94 historical flights. Data through May 2026.

What the data says

The 6–9 AM departure wins.

B6 159 departing between 6–9 AM arrived on time 93% of the time, versus 72% between 9 AM–12 PM.

Mondays have been rough.

B6 159 arrived on time 94% of the time on Fridays and just 79% on Mondays. That gap is worth planning around.

Better than the BOS–PHL route average.

B6 159 arrived on time 89% of the time, versus 76% across the BOS–PHL route.

Well ahead of the JetBlue Airways network.

B6 159 arrived on time 89% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon79%(19 flights)
  • Tue—(9 flights)
  • Wed—(9 flights)
  • Thu89%(18 flights)
  • Fri94%(18 flights)
  • Sat—(0 flights)
  • Sun88%(17 flights)
On-time by departure window
  • 6–9 AM93%(72 flights)
  • 9 AM–12 PM72%(18 flights)
On-time trend by month
100%
May

Dec 100% → May 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
December 2025100%10
January 202664%14
March 202692%12
April 202691%23
May 2026100%17
Departures on time
87%
Diverted
0%
Flights flown
90
Months covered
7

Same route, other flights

Keep nerding

Based on 94 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.