Flight DL816
Delta Air Lines flight DL816
Looking for DL816 in the air…
San Antonio (SAT) to Boston (BOS)
Historically, this flight arrives 15+ minutes late 42% of the time, and when it is late the delay averages 88 minutes. It was cancelled 1.9% of the time.
- On-time arrivals
- 58.1%
- Less than 15 minutes late
- Cancelled
- 1.9%
- Of scheduled flights
- Average delay when late
- 88 min
- Flights arriving 15+ minutes late
- Flights tracked
- 315
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Air traffic control & airport 39%
- Airline (crew, maintenance, cleaning) 15%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Boston (BOS) to San Antonio (SAT)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 93 minutes. It was cancelled 2.3% of the time.
- On-time arrivals
- 65.5%
- Less than 15 minutes late
- Cancelled
- 2.3%
- Of scheduled flights
- Average delay when late
- 93 min
- Flights arriving 15+ minutes late
- Flights tracked
- 86
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 46%
- Air traffic control & airport 33%
- Late-arriving aircraft 21%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Orlando (MCO) to Los Angeles (LAX)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 33 minutes. It was cancelled 3.2% of the time.
- On-time arrivals
- 80.0%
- Less than 15 minutes late
- Cancelled
- 3.2%
- Of scheduled flights
- Average delay when late
- 33 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 61%
- Late-arriving aircraft 18%
- Airline (crew, maintenance, cleaning) 14%
- Extreme weather 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Jackson (JAC) to Salt Lake City (SLC)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 87.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 69 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 100%
- Late-arriving aircraft 0%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 23.3% | 30 |
| October 2025 | 36.7% | 30 |
| November 2025 | 70.4% | 28 |
| December 2025 | 74.2% | 31 |
| January 2026 | 79.3% | 31 |
| February 2026 | 59.3% | 28 |
| March 2026 | 74.2% | 31 |
| April 2026 | 65.5% | 30 |
| May 2026 | 74.2% | 31 |
| June 2026 | 65.3% | 54 |
| July 2026 | 51.6% | 62 |
| August 2026 | 71.0% | 62 |
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