Flight B621
JetBlue Airways flight B621
Looking for B621 in the air…
BOS → PBI
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 85 minutes. It was cancelled 2.2% of the time.
- On-time arrivals
- 74.2%
- Less than 15 minutes late
- Cancelled
- 2.2%
- Of scheduled flights
- Average delay when late
- 85 min
- Flights arriving 15+ minutes late
- Flights tracked
- 231
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 35%
- Air traffic control & airport 23%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to West Palm Beach (DJT)
Historically, this flight arrives 15+ minutes late 26% of the time, and when it is late the delay averages 129 minutes. It was cancelled 9.7% of the time.
- On-time arrivals
- 74.1%
- Less than 15 minutes late
- Cancelled
- 9.7%
- Of scheduled flights
- Average delay when late
- 129 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 59%
- Late-arriving aircraft 28%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.7% | 30 |
| October 2025 | 87.1% | 31 |
| November 2025 | 73.1% | 28 |
| December 2025 | 50.0% | 31 |
| January 2026 | 44.4% | 9 |
| February 2026 | 29.4% | 18 |
| March 2026 | 100.0% | 1 |
| April 2026 | 100.0% | 2 |
| May 2026 | 100.0% | 20 |
| June 2026 | 93.3% | 30 |
| July 2026 | 69.0% | 31 |
| August 2026 | 74.1% | 31 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data