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Flight Reliability

B6 393 · JetBlue Airways

Boston → Denver (BOS–DEN)

83
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
2 min early
Average arrival delay
1.6%
Cancelled
11 min early
Median arrival delay

Based on 319 historical flights. Data through May 2026.

What the data says

Morning flights do better here.

B6 393 departing between 9 AM–12 PM arrived on time 83% of the time, versus 65% between 12–3 PM.

Sunday scaries are real for this one.

B6 393 arrived on time 85% of the time on Tuesdays. On Sundays: 77%.

A bit ahead of the BOS–DEN route.

B6 393 arrived on time 82% of the time, versus 77% across the BOS–DEN route.

Better than the JetBlue Airways network average.

B6 393 arrived on time 82% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon84%(45 flights)
  • Tue85%(47 flights)
  • Wed81%(48 flights)
  • Thu83%(47 flights)
  • Fri80%(46 flights)
  • Sat79%(34 flights)
  • Sun77%(47 flights)
On-time by departure window
  • 6–9 AM—(3 flights)
  • 9 AM–12 PM83%(288 flights)
  • 12–3 PM65%(23 flights)
On-time trend by month
94%
May

Jun 90% → May 94% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202590%30
July 202590%31
August 202594%31
September 202590%30
October 202581%31
November 202586%22
December 202570%27
January 202666%29
February 202658%24
March 202674%27
April 202687%15
May 202694%17
Departures on time
84%
Diverted
0%
Flights flown
314
Months covered
12

Same route, other flights

Keep nerding

Based on 319 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.