Flight Reliability
B6 820 · JetBlue Airways
New York → Detroit (JFK–DTW)96% of its flights flew this route. The rest (ATL–JFK) are included in these numbers.
- 61%
- Arrive within 15 minutes
- 21 min
- Average arrival delay
- 4.5%
- Cancelled
- 0 min
- Median arrival delay
Based on 268 historical flights. Data through May 2026.
What the data says
The late departure is the smart one here.
B6 820 departing between 6–9 PM arrived on time 67% of the time, versus 58% between 9 PM–12 AM.
Sunday scaries are real for this one.
B6 820 arrived on time 74% of the time on Wednesdays and just 47% on Sundays. That gap is worth planning around.
Well behind the JFK–DTW route.
B6 820 arrived on time 61% of the time, versus 77% across the JFK–DTW route.
Lagging the JetBlue Airways network.
B6 820 arrived on time 61% of the time, versus 73% across the JetBlue Airways network.
The breakdown
- Mon59%(39 flights)
- Tue64%(39 flights)
- Wed74%(38 flights)
- Thu61%(38 flights)
- Fri67%(36 flights)
- Sat50%(32 flights)
- Sun47%(34 flights)
- 3–6 PM—(2 flights)
- 6–9 PM67%(58 flights)
- 9 PM–12 AM58%(196 flights)
Jun 47% → Apr 46% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 47% | 30 |
| July 2025 | 30% | 30 |
| August 2025 | 63% | 30 |
| September 2025 | 77% | 30 |
| October 2025 | 70% | 30 |
| November 2025 | 70% | 27 |
| December 2025 | 61% | 28 |
| January 2026 | 64% | 28 |
| February 2026 | 82% | 11 |
| April 2026 | 46% | 11 |
- Departures on time
- 63%
- Diverted
- 0%
- Flights flown
- 256
- Months covered
- 11
Same route, other flights
Keep nerding
Based on 268 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.