Route
TYS → BWI
McGhee Tyson Airport Baltimore/Washington International Thurgood Marshall Airport
464 miles
Return route BWI → TYS →
How punctual is this route?
- On-time arrivals
- 93.3%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 84 min
- Flights arriving 15+ minutes late
- Flights tracked
- 179
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 90%
- Air traffic control & airport 5%
- Extreme weather 3%
- Security 2%
- Late-arriving aircraft 0%
Share of delay minutes airlines attributed to each cause (BTS).
Mar 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| March 2026 | 92.3% | 26 |
| April 2026 | 100.0% | 30 |
| May 2026 | 90.3% | 31 |
| June 2026 | 83.3% | 30 |
| July 2026 | 96.8% | 31 |
| August 2026 | 96.8% | 31 |
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 | 179 | 93.3% | 0.0% | 84 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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