72% of flights from Dallas to Missoula arrived on time over the past 12 months. That is worse than the typical U.S. route. The 7 p.m. departures ran on time 77% of the time; the 10 a.m. ones 69%. 8% of flights arrived more than an hour late or not at all.
How late?
The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for DFW → MSO: when a flight was late, it was under 45 minutes late 64% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 107 three hours or more; 0.7% were cancelled outright.
- On time or early72%
- 15–30 min late12%
- 30–60 min late7.5%
- 1–2 hours late4.0%
- 2–3 hours late2.1%
- 3+ hours late0.9%
- Diverted0.7%
- Cancelled0.7%
Share of all 429 scheduled flights, past 12 months, by arrival time against schedule.
By airline
| Airline | Flights | On time | Cancelled | Typical arrival | 1h+ late | Avg when late | Operated by |
|---|---|---|---|---|---|---|---|
| American Airlines | 429 | 72% | 0.7% | −5 min | 7.0% | +54 min | Envoy 69%, American Airlines 31% |
Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.
Best time of day to fly
On-time rate by scheduled departure hour (local time at DFW). Delays build through the day as late planes knock on, so early flights usually do best.
By month
Each calendar month pooled over 2023–2026. Best: August (77%). Worst: June (55%).
By day of week
| Day | Flights | On time | Cancelled |
|---|---|---|---|
| Monday | 64 | — | — |
| Tuesday | 61 | — | — |
| Wednesday | 61 | — | — |
| Thursday | 61 | — | — |
| Friday | 60 | — | — |
| Saturday | 61 | — | — |
| Sunday | 61 | — | — |
Why flights were late
Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.
Cancellations: weather 3
Month by month
Not enough months with data to draw a trend.
Questions
How often are flights from DFW to MSO on time?
72% of 429 scheduled flights from Dallas/Fort Worth, TX to Missoula, MT arrived within 15 minutes of schedule between September 2025 and August 2026. 0.7% were cancelled.
What is the best time of day to fly DFW to MSO?
Flights scheduled to leave at 7 p.m. were the most reliable (77% on time). The 10 a.m. departures were the least (69%).
What month has the most delays from DFW to MSO?
June (55% on time). The best month is August (77%), over 2023–2026.
Related
- MSO → DFW (return)
- Dallas/Fort Worth (DFW) delays by hour
- Flights into Missoula Montana (MSO)
- American Airlines on-time record
- Connecting off this flight? Check the risk
Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.