Flight Reliability
B6 891 · JetBlue Airways
Boston → Tampa (BOS–TPA)
86
Pretty Reliable
WanderNerd Reliability Score
- 90%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 2.3%
- Cancelled
- 14 min early
- Median arrival delay
Based on 300 historical flights. Data through May 2026.
What the data says
Skip Thursday if you can.
B6 891 arrived on time 94% of the time on Wednesdays. On Thursdays: 86%.
Well ahead of the BOS–TPA route.
B6 891 arrived on time 90% of the time, versus 75% across the BOS–TPA route.
Well ahead of the JetBlue Airways network.
B6 891 arrived on time 90% of the time, versus 73% across the JetBlue Airways network.
Trending in the right direction.
B6 891 arrived on time 92% of the time over the last three months in the data, compared with 83% in the three months before that.
The breakdown
- Mon89%(44 flights)
- Tue87%(39 flights)
- Wed94%(36 flights)
- Thu86%(44 flights)
- Fri94%(46 flights)
- Sat90%(41 flights)
- Sun93%(41 flights)
- 3–6 AM—(3 flights)
- 6–9 AM91%(288 flights)
90%
May
Jun 96% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 96% | 25 |
| July 2025 | 84% | 31 |
| August 2025 | 100% | 17 |
| September 2025 | 100% | 26 |
| October 2025 | 100% | 31 |
| November 2025 | 89% | 28 |
| December 2025 | 83% | 29 |
| February 2026 | 77% | 13 |
| March 2026 | 96% | 25 |
| April 2026 | 90% | 30 |
| May 2026 | 90% | 31 |
- Departures on time
- 93%
- Diverted
- 0.7%
- Flights flown
- 291
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 300 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.