Flight Reliability
B6 1348 · JetBlue Airways
San Juan → Washington (SJU–DCA)
68
Usually Fine
WanderNerd Reliability Score
- 71%
- Arrive within 15 minutes
- 18 min
- Average arrival delay
- 1.4%
- Cancelled
- 3 min early
- Median arrival delay
Based on 365 historical flights. Data through May 2026.
What the data says
3–6 PM has a slight edge.
Departures between 3–6 PM arrived on time 75% of the time, against 70% between 6–9 PM.
Sunday scaries are real for this one.
B6 1348 arrived on time 82% of the time on Fridays and just 54% on Sundays. That gap is worth planning around.
Trending in the right direction.
B6 1348 arrived on time 82% of the time over the last three months in the data, compared with 64% in the three months before that.
The breakdown
- Mon65%(51 flights)
- Tue77%(51 flights)
- Wed71%(52 flights)
- Thu71%(52 flights)
- Fri82%(51 flights)
- Sat76%(50 flights)
- Sun54%(52 flights)
- 3–6 PM75%(65 flights)
- 6–9 PM70%(294 flights)
81%
May
Jun 80% → May 81% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 80% | 30 |
| July 2025 | 52% | 31 |
| August 2025 | 68% | 31 |
| September 2025 | 79% | 29 |
| October 2025 | 58% | 31 |
| November 2025 | 70% | 30 |
| December 2025 | 81% | 31 |
| January 2026 | 44% | 27 |
| February 2026 | 68% | 28 |
| March 2026 | 80% | 30 |
| April 2026 | 87% | 30 |
| May 2026 | 81% | 31 |
- Departures on time
- 70%
- Diverted
- 0.3%
- 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.