BWI to AUS flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Austin Bergstrom International Airport · 1,342 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or AUS 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 Austin (AUS) arrived on time 78% of the time in Aug 2025 – Jul 2026, in line with the national average.
- 1.6% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (98% on time); around 7pm did worst (53%).
- Tuesday was the most reliable day to fly (81% on time) and Sunday the least (72%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (44%).
Which airline is most on time from BWI to AUS?
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 | 78% | 1.6% | 12 min | 5.0% | 1,260 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am98%60 flights
- 7am79%29 flights
- 8am90%243 flights
- 9am88%115 flights
- 10am72%66 flights
- 11am88%51 flights
- 12pm81%74 flights
- 1pm57%60 flights
- 2pm70%103 flights
- 3pm82%33 flights
- 4pm73%51 flights
- 5pm64%44 flights
- 6pm78%99 flights
- 7pm53%63 flights
- 8pm68%123 flights
- 9pm64%46 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday78%3.3% cancelled
- Tuesday81%1.1% cancelled
- Wednesday81%0.6% cancelled
- Thursday79%1.1% cancelled
- Friday73%1.1% cancelled
- Saturday80%0.7% cancelled
- Sunday72%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.
- Airline (crew, maintenance, cleaning, fueling)44%
- Late-arriving aircraft38%
- Air traffic control & airport congestion17%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather80%
- Airline (crew, maintenance, cleaning, fueling)10%
- Air traffic control & airport congestion10%
- Security0%
BWI to AUS: common questions
- How often are BWI to AUS flights on time?
- 78% 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 Austin cancelled?
- 1.6% of scheduled flights were cancelled (20 of 1,260).
- 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 48 min behind schedule on average, and 5.0% 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: AUS to BWI — 77% 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 → AUS, nonstop flights by US airlines that report to the DOT. How we calculate this.