Flight DL2455
Delta Air Lines flight DL2455
Looking for DL2455 in the air…
Salt Lake City (SLC) to St Louis (STL)
Historically, this flight arrives 15+ minutes late 10% of the time, and when it is late the delay averages 53 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 89.8%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 53 min
- Flights arriving 15+ minutes late
- Flights tracked
- 297
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 73%
- Air traffic control & airport 17%
- Late-arriving aircraft 6%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
St Louis (STL) to Salt Lake City (SLC)
Historically, this flight arrives 15+ minutes late 12% of the time, and when it is late the delay averages 79 minutes. It was cancelled 0.4% of the time.
- On-time arrivals
- 88.4%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 79 min
- Flights arriving 15+ minutes late
- Flights tracked
- 261
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 57%
- Airline (crew, maintenance, cleaning) 30%
- Air traffic control & airport 11%
- Extreme weather 1%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Memphis (MEM)
Only 3 flights 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
- 3
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.5% | 56 |
| October 2025 | 98.2% | 57 |
| November 2025 | 88.7% | 53 |
| December 2025 | 81.7% | 60 |
| January 2026 | 100.0% | 8 |
| February 2026 | 100.0% | 2 |
| March 2026 | 95.3% | 43 |
| April 2026 | 88.7% | 54 |
| May 2026 | 96.4% | 57 |
| June 2026 | 83.3% | 56 |
| July 2026 | 96.6% | 58 |
| August 2026 | 75.0% | 57 |
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