Route
MEM → BWI
Frederick W. Smith International Airport Baltimore/Washington International Thurgood Marshall Airport
787 miles
Return route BWI → MEM →
How punctual is this route?
- On-time arrivals
- 80.1%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 275
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 55%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 14%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 71.4% | 21 |
| October 2025 | 73.1% | 26 |
| November 2025 | 96.4% | 28 |
| December 2025 | 86.2% | 29 |
| January 2026 | 66.7% | 10 |
| February 2026 | 88.2% | 18 |
| March 2026 | 79.3% | 29 |
| April 2026 | 81.8% | 22 |
| May 2026 | 91.3% | 23 |
| June 2026 | 78.3% | 24 |
| July 2026 | 55.6% | 27 |
| August 2026 | 88.2% | 18 |
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
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 275 | 80.1% | 0.7% | 59 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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