PIT to BWI flight delays & on-time performance
Nonstop flights from Pittsburgh International Airport to Baltimore/Washington International Thurgood Marshall Airport · 210 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PIT or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Pittsburgh (PIT) to Baltimore (BWI) arrived on time 86% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 4% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (97% on time); around 5pm did worst (54%).
- Wednesday was the most reliable day to fly (94% on time) and Sunday the least (80%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from PIT to BWI?
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 | 86% | 1.4% | 9 min | 3.9% | 1,075 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am95%180 flights
- 6am97%184 flights
- 9am100%18 flights
- 10am96%200 flights
- 12pm89%76 flights
- 1pm83%47 flights
- 3pm72%55 flights
- 4pm85%115 flights
- 5pm54%129 flights
- 6pm66%64 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%1.9% cancelled
- Tuesday89%1.9% cancelled
- Wednesday94%0.6% cancelled
- Thursday83%0.7% cancelled
- Friday83%1.3% cancelled
- Saturday85%0.0% cancelled
- Sunday80%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 aircraft59%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)20%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather87%
- Airline (crew, maintenance, cleaning, fueling)7%
- Air traffic control & airport congestion7%
- Security0%
PIT to BWI: common questions
- How often are PIT to BWI flights on time?
- 86% 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 Pittsburgh to Baltimore cancelled?
- 1.4% of scheduled flights were cancelled (15 of 1,075).
- How long are typical delays?
- Across all flights the average arrival delay was 9 min (early arrivals count as zero). Flights that were late arrived 57 min behind schedule on average, and 3.9% of flights were an hour or more late.
- How long is taxi time at PIT?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to PIT — 79% on time
More flights from Pittsburgh
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PIT → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.