DFW to STL flight delays & on-time performance
Nonstop flights from Dallas Fort Worth International Airport to St. Louis Lambert International Airport · 550 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at DFW or STL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Dallas/Fort Worth (DFW) to St. Louis (STL) arrived on time 68% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 3.1% were cancelled, and 14% arrived an hour or more late.
- Envoy Air was the most punctual airline here (89% on time); American Airlines was the least (65%).
- Departures scheduled around 7am did best (84% on time); around 6pm did worst (46%).
- Tuesday was the most reliable day to fly (75% on time) and Sunday the least (59%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from DFW to STL?
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 |
|---|---|---|---|---|---|
| Envoy AirRegional airline operating American Eagle flights. | 89% | 3.0% | 6 min | 2.3% | 266 |
| Frontier Airlines | 85% | 0.0% | 10 min | 4.2% | 95 |
| PSA AirlinesRegional airline operating American Eagle flights. | 71% | 6.0% | 17 min | 10.3% | 84 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 66% | 1.4% | 22 min | 13.2% | 70 |
| American Airlines | 65% | 3.2% | 31 min | 16.7% | 1,867 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 7am84%342 flights
- 8am69%56 flights
- 9am77%178 flights
- 10am76%183 flights
- 12pm92%49 flights
- 1pm78%227 flights
- 2pm57%179 flights
- 3pm53%156 flights
- 4pm65%177 flights
- 5pm65%272 flights
- 6pm46%131 flights
- 7pm56%68 flights
- 8pm55%32 flights
- 9pm66%251 flights
- 10pm54%79 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday64%3.8% cancelled
- Tuesday75%1.8% cancelled
- Wednesday72%1.0% cancelled
- Thursday69%1.4% cancelled
- Friday72%3.5% cancelled
- Saturday68%5.4% cancelled
- Sunday59%4.4% 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%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather8%
- Air traffic control & airport congestion7%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather90%
- Airline (crew, maintenance, cleaning, fueling)5%
- Air traffic control & airport congestion4%
- Security0%
DFW to STL: common questions
- How often are DFW to STL flights on time?
- 68% 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 Dallas/Fort Worth to St. Louis cancelled?
- 3.1% of scheduled flights were cancelled (73 of 2,382).
- How long are typical delays?
- Across all flights the average arrival delay was 27 min (early arrivals count as zero). Flights that were late arrived 82 min behind schedule on average, and 14.3% of flights were an hour or more late.
- How long is taxi time at DFW?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: STL to DFW — 75% on time
More flights from Dallas/Fort Worth
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: DFW → STL, nonstop flights by US airlines that report to the DOT. How we calculate this.