Flight DL1637
Delta Air Lines flight DL1637
Looking for DL1637 in the air…
Atlanta (ATL) to Wichita (ICT)
Historically, this flight arrives 15+ minutes late 11% of the time, and when it is late the delay averages 58 minutes. It was cancelled 1.4% of the time.
- On-time arrivals
- 89.2%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 58 min
- Flights arriving 15+ minutes late
- Flights tracked
- 349
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 67%
- Late-arriving aircraft 15%
- Air traffic control & airport 14%
- Extreme weather 4%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Wichita (ICT) to Atlanta (ATL)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 74 minutes. It was cancelled 1.1% of the time.
- On-time arrivals
- 84.5%
- Less than 15 minutes late
- Cancelled
- 1.1%
- Of scheduled flights
- Average delay when late
- 74 min
- Flights arriving 15+ minutes late
- Flights tracked
- 349
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 47%
- Late-arriving aircraft 39%
- Extreme weather 7%
- Air traffic control & airport 7%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Atlanta (ATL) to Greenville/Greer/Spartanburg (GSP)
Only 15 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
- 15
- Scheduled flights in the period
Greenville/Greer/Spartanburg (GSP) to Atlanta (ATL)
Only 15 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
- 15
- Scheduled flights in the period
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Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 95.0% | 60 |
| October 2025 | 91.9% | 62 |
| November 2025 | 78.0% | 60 |
| December 2025 | 82.3% | 62 |
| January 2026 | 90.9% | 60 |
| February 2026 | 91.1% | 56 |
| March 2026 | 81.4% | 62 |
| April 2026 | 83.3% | 60 |
| May 2026 | 91.9% | 62 |
| June 2026 | 84.5% | 60 |
| July 2026 | 86.7% | 62 |
| August 2026 | 91.9% | 62 |
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