Flight DL817
Delta Air Lines flight DL817
Looking for DL817 in the air…
Boston (BOS) to Raleigh/Durham (RDU)
Historically, this flight arrives 15+ minutes late 46% of the time, and when it is late the delay averages 93 minutes. It was cancelled 3.1% of the time.
- On-time arrivals
- 54.1%
- Less than 15 minutes late
- Cancelled
- 3.1%
- Of scheduled flights
- Average delay when late
- 93 min
- Flights arriving 15+ minutes late
- Flights tracked
- 290
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 72%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 6%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Memphis (MEM)
Only 11 flights on record, which is too few for reliable odds.
- On-time arrivals
- 90.9%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 11
- 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).
Augusta (AGS) to Atlanta (ATL)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 33.3%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
Atlanta (ATL) to Augusta (AGS)
Only 3 flights on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 33.3%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 3
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 32.0% | 26 |
| October 2025 | 24.0% | 26 |
| November 2025 | 70.0% | 20 |
| December 2025 | 69.2% | 26 |
| January 2026 | 79.2% | 28 |
| February 2026 | 68.0% | 26 |
| March 2026 | 55.6% | 27 |
| April 2026 | 65.4% | 26 |
| May 2026 | 64.0% | 25 |
| June 2026 | 63.6% | 24 |
| July 2026 | 44.0% | 27 |
| August 2026 | 42.3% | 26 |
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