BWI to PIT flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Pittsburgh International Airport · 210 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or PIT right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Pittsburgh (PIT) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 2% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8pm did best (92% on time); around 10pm did worst (61%).
- Tuesday was the most reliable day to fly (83% on time) and Sunday the least (75%).
- The largest source of delay minutes was late-arriving aircraft (58%).
Which airline is most on time from BWI to PIT?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 79% | 2.0% | 12 min | 6.9% | 1,075 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 10am90%256 flights
- 11am90%109 flights
- 3pm81%28 flights
- 4pm85%125 flights
- 5pm71%102 flights
- 6pm67%94 flights
- 8pm92%90 flights
- 9pm69%107 flights
- 10pm61%162 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%1.9% cancelled
- Tuesday83%1.9% cancelled
- Wednesday82%0.6% cancelled
- Thursday77%0.6% cancelled
- Friday80%3.1% cancelled
- Saturday80%2.7% cancelled
- Sunday75%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft58%
- Airline (crew, maintenance, cleaning, fueling)26%
- Air traffic control & airport congestion12%
- Extreme weather4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather68%
- Airline (crew, maintenance, cleaning, fueling)23%
- Air traffic control & airport congestion9%
- Security0%
BWI to PIT: common questions
- How often are BWI to PIT flights on time?
- 79% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Baltimore to Pittsburgh cancelled?
- 2.0% of scheduled flights were cancelled (22 of 1,075).
- How long are typical delays?
- Across all flights the average arrival delay was 12 min (early arrivals count as zero). Flights that were late arrived 54 min behind schedule on average, and 6.9% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: PIT to BWI — 86% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → PIT, nonstop flights by US airlines that report to the DOT. How we calculate this.