Flight DL1148
Delta Air Lines flight DL1148
Looking for DL1148 in the air…
Knoxville/Maryville (TYS) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 65 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 82.5%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 198
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 67%
- Air traffic control & airport 29%
- Airline (crew, maintenance, cleaning) 4%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Knoxville/Maryville (TYS)
Historically, this flight arrives 15+ minutes late 20% of the time, and when it is late the delay averages 64 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 80.5%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 128
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 52%
- Air traffic control & airport 23%
- Late-arriving aircraft 17%
- Extreme weather 8%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Columbus (CMH) to Minneapolis (MSP)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 110 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 83.6%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 110 min
- Flights arriving 15+ minutes late
- Flights tracked
- 110
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 62%
- Extreme weather 26%
- Air traffic control & airport 13%
- Late-arriving aircraft 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 29% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 71.0%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 74%
- Air traffic control & airport 18%
- Late-arriving aircraft 9%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Houston (IAH) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 32% of the time, and when it is late the delay averages 61 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 67.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 61 min
- Flights arriving 15+ minutes late
- Flights tracked
- 31
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 59%
- Air traffic control & airport 24%
- Extreme weather 11%
- Airline (crew, maintenance, cleaning) 6%
- 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 | 83.3% | 30 |
| October 2025 | 96.8% | 31 |
| November 2025 | 79.3% | 29 |
| December 2025 | 70.0% | 20 |
| January 2026 | 91.3% | 25 |
| February 2026 | 91.9% | 38 |
| March 2026 | 72.9% | 59 |
| April 2026 | 83.3% | 42 |
| May 2026 | 69.1% | 56 |
| June 2026 | 87.0% | 54 |
| July 2026 | 72.2% | 54 |
| August 2026 | 81.7% | 60 |
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