PHX to BWI flight delays & on-time performance
Nonstop flights from Phoenix Sky Harbor International Airport to Baltimore/Washington International Thurgood Marshall Airport · 1,999 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PHX or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Phoenix (PHX) to Baltimore (BWI) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.9% were cancelled, and 3% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 9pm did best (94% on time); around 2pm did worst (42%).
- Saturday was the most reliable day to fly (88% on time) and Sunday the least (71%).
- The largest source of delay minutes was late-arriving aircraft (43%).
Which airline is most on time from PHX 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 | 80% | 0.9% | 11 min | 3.4% | 1,236 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%232 flights
- 6am88%49 flights
- 7am86%42 flights
- 8am88%17 flights
- 9am76%85 flights
- 10am75%92 flights
- 11am83%36 flights
- 12pm80%74 flights
- 1pm62%99 flights
- 2pm42%38 flights
- 3pm81%48 flights
- 4pm50%65 flights
- 7pm50%14 flights
- 9pm94%93 flights
- 10pm85%118 flights
- 11pm84%126 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%1.1% cancelled
- Tuesday84%0.6% cancelled
- Wednesday82%0.0% cancelled
- Thursday74%0.0% cancelled
- Friday79%1.0% cancelled
- Saturday88%0.6% cancelled
- Sunday71%3.0% 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 aircraft43%
- Airline (crew, maintenance, cleaning, fueling)42%
- Air traffic control & airport congestion14%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather64%
- Airline (crew, maintenance, cleaning, fueling)27%
- Air traffic control & airport congestion9%
- Security0%
PHX to BWI: common questions
- How often are PHX to BWI flights on time?
- 80% 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 Phoenix to Baltimore cancelled?
- 0.9% of scheduled flights were cancelled (11 of 1,236).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 45 min behind schedule on average, and 3.4% of flights were an hour or more late.
- How long is taxi time at PHX?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to PHX — 77% on time
More flights from Phoenix
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PHX → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.