Flight Reliability
B6 1039 · JetBlue Airways
Boston → Austin (BOS–AUS)86% of its flights flew this route. The rest (BOS–MKE) are included in these numbers.
68
Usually Fine
WanderNerd Reliability Score
- 70%
- Arrive within 15 minutes
- 12 min
- Average arrival delay
- 1.2%
- Cancelled
- 2 min early
- Median arrival delay
Based on 328 historical flights. Data through May 2026.
What the data says
The 9 AM–12 PM departure wins.
B6 1039 departing between 9 AM–12 PM arrived on time 88% of the time, versus 65% between 6–9 AM.
Sunday scaries are real for this one.
B6 1039 arrived on time 82% of the time on Tuesdays and just 65% on Sundays. That gap is worth planning around.
Trending in the right direction.
B6 1039 arrived on time 71% of the time over the last three months in the data, compared with 60% in the three months before that.
The breakdown
- Mon69%(49 flights)
- Tue82%(39 flights)
- Wed71%(41 flights)
- Thu70%(47 flights)
- Fri67%(49 flights)
- Sat71%(44 flights)
- Sun65%(51 flights)
- 6–9 AM65%(52 flights)
- 9 AM–12 PM88%(32 flights)
- 12–3 PM69%(235 flights)
- 3–6 PM—(1 flights)
65%
May
Jun 64% → May 65% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 64% | 28 |
| July 2025 | 53% | 30 |
| August 2025 | 77% | 30 |
| September 2025 | 82% | 22 |
| October 2025 | 94% | 31 |
| November 2025 | 72% | 29 |
| December 2025 | 68% | 31 |
| January 2026 | 56% | 18 |
| February 2026 | 57% | 21 |
| March 2026 | 77% | 30 |
| April 2026 | 70% | 30 |
| May 2026 | 65% | 20 |
- Departures on time
- 75%
- Diverted
- 1.2%
- Flights flown
- 320
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 328 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.