Flight DL2634
Delta Air Lines flight DL2634
Looking for DL2634 in the air…
Atlanta (ATL) to Raleigh/Durham (RDU)
Historically, this flight arrives 15+ minutes late 4% of the time, and when it is late the delay averages 52 minutes. It was cancelled 2.5% of the time.
- On-time arrivals
- 95.6%
- Less than 15 minutes late
- Cancelled
- 2.5%
- Of scheduled flights
- Average delay when late
- 52 min
- Flights arriving 15+ minutes late
- Flights tracked
- 163
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 82%
- Air traffic control & airport 18%
- Late-arriving aircraft 0%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Raleigh/Durham (RDU) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 5% of the time, and when it is late the delay averages 38 minutes. It was cancelled 1.8% of the time.
- On-time arrivals
- 95.4%
- Less than 15 minutes late
- Cancelled
- 1.8%
- Of scheduled flights
- Average delay when late
- 38 min
- Flights arriving 15+ minutes late
- Flights tracked
- 111
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 50%
- Late-arriving aircraft 49%
- Airline (crew, maintenance, cleaning) 1%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Detroit (DTW) to Green Bay (GRB)
Only 1 flight 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
- 1
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| November 2025 | 100.0% | 1 |
| December 2025 | 100.0% | 17 |
| January 2026 | 93.1% | 31 |
| February 2026 | 100.0% | 10 |
| April 2026 | 87.5% | 16 |
| May 2026 | 98.1% | 55 |
| June 2026 | 100.0% | 48 |
| July 2026 | 86.7% | 47 |
| August 2026 | 98.0% | 50 |
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