Flight DL1620
Delta Air Lines flight DL1620
Looking for DL1620 in the air…
New York (LGA) to Miami (MIA)
Historically, this flight arrives 15+ minutes late 41% of the time, and when it is late the delay averages 109 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 59.4%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 109 min
- Flights arriving 15+ minutes late
- Flights tracked
- 141
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 54%
- Late-arriving aircraft 25%
- Air traffic control & airport 20%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Mobile (MOB)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 55 minutes. It was cancelled 2.7% of the time.
- On-time arrivals
- 83.6%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 55 min
- Flights arriving 15+ minutes late
- Flights tracked
- 75
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 56%
- Late-arriving aircraft 34%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Mobile (MOB) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 99 minutes. It was cancelled 2.7% of the time.
- On-time arrivals
- 79.5%
- Less than 15 minutes late
- Cancelled
- 2.7%
- Of scheduled flights
- Average delay when late
- 99 min
- Flights arriving 15+ minutes late
- Flights tracked
- 75
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 69%
- Late-arriving aircraft 25%
- Air traffic control & airport 6%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 126 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 80.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 126 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 21%
- Air traffic control & airport 20%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Tampa (TPA) to Detroit (DTW)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 58 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 95.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 23
- 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).
Austin (AUS) to Atlanta (ATL)
Only 16 flights on record, which is too few for reliable odds.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 179 min
- Flights arriving 15+ minutes late
- Flights tracked
- 16
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 75%
- Late-arriving aircraft 25%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Rapid City (RAP)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Atlanta (ATL) to Fayetteville/Springdale/Rogers (XNA)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
Rapid City (RAP) to Atlanta (ATL)
Only 1 flight on record, which is too few for reliable odds.
- On-time arrivals
- 100.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- —
- Flights arriving 15+ minutes late
- Flights tracked
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 77.8% | 36 |
| October 2025 | 89.1% | 46 |
| November 2025 | 76.5% | 36 |
| December 2025 | 79.5% | 46 |
| January 2026 | 80.0% | 5 |
| February 2026 | 93.8% | 16 |
| March 2026 | 82.1% | 28 |
| April 2026 | 64.3% | 28 |
| May 2026 | 54.8% | 31 |
| June 2026 | 67.9% | 30 |
| July 2026 | 56.7% | 31 |
| August 2026 | 64.5% | 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