Flight DL2104
Delta Air Lines flight DL2104
Looking for DL2104 in the air…
Austin (AUS) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 21% of the time, and when it is late the delay averages 65 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 79.1%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 352
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 43%
- Air traffic control & airport 35%
- Airline (crew, maintenance, cleaning) 21%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 15% of the time, and when it is late the delay averages 57 minutes. It was cancelled 2.1% of the time.
- On-time arrivals
- 85.4%
- Less than 15 minutes late
- Cancelled
- 2.1%
- Of scheduled flights
- Average delay when late
- 57 min
- Flights arriving 15+ minutes late
- Flights tracked
- 328
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 45%
- Late-arriving aircraft 27%
- Air traffic control & airport 26%
- Extreme weather 2%
- 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 | 93.3% | 60 |
| October 2025 | 85.2% | 61 |
| November 2025 | 79.3% | 58 |
| December 2025 | 80.0% | 59 |
| January 2026 | 90.6% | 57 |
| February 2026 | 94.2% | 54 |
| March 2026 | 86.5% | 38 |
| April 2026 | 70.8% | 48 |
| May 2026 | 80.6% | 62 |
| June 2026 | 76.7% | 60 |
| July 2026 | 73.7% | 61 |
| August 2026 | 75.8% | 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