Flight DL1491
Delta Air Lines flight DL1491
Looking for DL1491 in the air…
Atlanta (ATL) to Austin (AUS)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 62 minutes. It was cancelled 0.9% of the time.
- On-time arrivals
- 74.7%
- Less than 15 minutes late
- Cancelled
- 0.9%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 347
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 33%
- Late-arriving aircraft 32%
- Airline (crew, maintenance, cleaning) 31%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Austin (AUS) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 82 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 75.1%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 82 min
- Flights arriving 15+ minutes late
- Flights tracked
- 284
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 54%
- Airline (crew, maintenance, cleaning) 25%
- Air traffic control & airport 18%
- 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 | 88.3% | 60 |
| October 2025 | 82.3% | 62 |
| November 2025 | 82.1% | 56 |
| December 2025 | 77.2% | 59 |
| January 2026 | 90.0% | 50 |
| February 2026 | 90.0% | 40 |
| March 2026 | 70.2% | 49 |
| April 2026 | 75.5% | 53 |
| May 2026 | 52.0% | 52 |
| June 2026 | 70.0% | 50 |
| July 2026 | 59.6% | 52 |
| August 2026 | 58.3% | 48 |
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