Flight DL2021
Delta Air Lines flight DL2021
Looking for DL2021 in the air…
Miami (MIA) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 19% of the time, and when it is late the delay averages 75 minutes. It was cancelled 0.6% of the time.
- On-time arrivals
- 80.7%
- Less than 15 minutes late
- Cancelled
- 0.6%
- Of scheduled flights
- Average delay when late
- 75 min
- Flights arriving 15+ minutes late
- Flights tracked
- 344
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 42%
- Late-arriving aircraft 36%
- Air traffic control & airport 19%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Minneapolis (MSP) to Atlanta (ATL)
Only 6 flights on record, which is too few for reliable odds.
- On-time arrivals
- 83.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 6
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 80%
- Late-arriving aircraft 20%
- Air traffic control & airport 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
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Headlines found by Google News; stories open on the publisher's site.
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.0% | 30 |
| October 2025 | 80.0% | 30 |
| November 2025 | 63.3% | 30 |
| December 2025 | 61.3% | 31 |
| January 2026 | 80.6% | 31 |
| February 2026 | 85.7% | 28 |
| March 2026 | 93.1% | 31 |
| April 2026 | 76.7% | 30 |
| May 2026 | 87.1% | 31 |
| June 2026 | 96.7% | 30 |
| July 2026 | 80.6% | 31 |
| August 2026 | 88.2% | 17 |
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