Flight Reliability
B6 1347 · JetBlue Airways
Washington → San Juan (DCA–SJU)
78
Usually Fine
WanderNerd Reliability Score
- 77%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 1.1%
- Cancelled
- 7 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
Friday is doing you no favors.
B6 1347 arrived on time 81% of the time on Wednesdays. On Fridays: 67%.
A bit ahead of the JetBlue Airways network.
B6 1347 arrived on time 77% of the time, versus 73% across the JetBlue Airways network.
Trending in the right direction.
B6 1347 arrived on time 79% of the time over the last three months in the data, compared with 72% in the three months before that.
The breakdown
- Mon78%(51 flights)
- Tue79%(52 flights)
- Wed81%(52 flights)
- Thu75%(51 flights)
- Fri67%(52 flights)
- Sat80%(50 flights)
- Sun77%(51 flights)
81%
May
Jun 80% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 81% | 31 |
| August 2025 | 81% | 31 |
| September 2025 | 73% | 30 |
| October 2025 | 67% | 30 |
| November 2025 | 83% | 30 |
| December 2025 | 74% | 31 |
| January 2026 | 69% | 26 |
| February 2026 | 71% | 28 |
| March 2026 | 74% | 31 |
| April 2026 | 83% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 80%
- Diverted
- 0.5%
- Flights flown
- 359
- Months covered
- 12
Keep nerding
Based on 365 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.