Skip to content
WanderNerd
Check a flight

Flight Reliability

B6 811 · JetBlue Airways

Boston → Chicago (BOS–ORD)

51
A Little Dicey
WanderNerd Reliability Score
62%
Arrive within 15 minutes
20 min
Average arrival delay
2.8%
Cancelled
3 min
Median arrival delay

Based on 247 historical flights. Data through May 2026.

What the data says

The 12–3 PM departure wins.

B6 811 departing between 12–3 PM arrived on time 64% of the time, versus 54% between 6–9 PM.

Friday is doing you no favors.

B6 811 arrived on time 83% of the time on Tuesdays and just 49% on Fridays. That gap is worth planning around.

Lagging the BOS–ORD route.

B6 811 arrived on time 62% of the time, versus 73% across the BOS–ORD route.

Lagging the JetBlue Airways network.

B6 811 arrived on time 62% of the time, versus 73% across the JetBlue Airways network.

The breakdown

On-time by weekday
  • Mon66%(44 flights)
  • Tue83%(23 flights)
  • Wed64%(25 flights)
  • Thu63%(43 flights)
  • Fri49%(45 flights)
  • Sat67%(15 flights)
  • Sun58%(43 flights)
On-time by departure window
  • 12–3 PM64%(50 flights)
  • 3–6 PM64%(151 flights)
  • 6–9 PM54%(37 flights)
On-time trend by month
62%
May

Jun 55% → May 62% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202555%20
July 202554%13
August 202578%18
September 202556%18
October 202565%26
November 202570%23
December 202565%23
January 202666%29
February 202673%11
March 202655%11
April 202641%17
May 202662%29
Departures on time
59%
Diverted
0.8%
Flights flown
238
Months covered
12

Same route, other flights

Keep nerding

Based on 247 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.