Flight NK139
Flight NK139
Baltimore (BWI) to Houston (IAH)
Historically, this flight arrives 15+ minutes late 39% of the time, and when it is late the delay averages 90 minutes. It was cancelled 6.1% of the time.
- On-time arrivals
- 61.3%
- Less than 15 minutes late
- Cancelled
- 6.1%
- Of scheduled flights
- Average delay when late
- 90 min
- Flights arriving 15+ minutes late
- Flights tracked
- 33
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 46%
- Air traffic control & airport 43%
- Airline (crew, maintenance, cleaning) 11%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| December 2025 | 63.0% | 27 |
| January 2026 | 50.0% | 6 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 โ August 2026. Covers flights operated by reporting U.S. carriers. About our data