Best time to fly out of Yuma (YUM)
The early-flight folk wisdom holds up at Yuma / Marine Corps Air Station Yuma: departures in the 6–8am band left on time 93.1% of the time, against 84.6% in the 12–2pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.
Data through June 2026 · Bureau of Transportation Statistics
On-time rate by hour and day
On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.
| Departure time | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|---|---|---|---|---|---|---|
| Before 6am | – | – | – | – | – | – | – |
| 6–8am | 94 | 94 | 92 | 93 | 92 | 93 | 94 |
| 8–10am | – | – | – | – | – | – | – |
| 10am–12pm | 88 | 87 | 92 | 89 | 83 | 89 | 83 |
| 12–2pm | 86 | 83 | 88 | 87 | 84 | 83 | 82 |
| 2–4pm | – | – | – | – | – | – | – |
| 4–6pm | – | – | – | – | – | – | – |
| 6–8pm | – | – | – | – | – | – | – |
| 8–10pm | – | – | – | – | – | – | – |
| 10pm–12am | – | – | – | – | – | – | – |
The steadiest stretch at YUM was 6–8am — 93.1% of departures left on time across 1,642 flights. The weakest was 12–2pm at 84.6%.
The year at YUM
June was the hard month at YUM: 84.3% of departures left on time, across 358 flights. August was the easy one at 91.6%. Each month pools three years of that month, so a single bad week does not decide it.
| Month | Share departures that left on time | Flights |
|---|---|---|
| January | 89.8% | 434 |
| February | 85.9% | 413 |
| March | 85.7% | 472 |
| April | 88.8% | 431 |
| May | 86.4% | 409 |
| June | 84.3% | 358 |
| July | 86.2% | 387 |
| August | 91.6% | 444 |
| September | 89.4% | 434 |
| October | 89.6% | 452 |
| November | 87.7% | 493 |
| December | 87.4% | 445 |
Airlines at YUM
Every airline with at least 100 departures from YUM, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.
| Airline | Left on time | Typical delay | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 87.7% | 136 min | 0.5% | 4,018 |
| Envoy Air | 88.2% | 69 min | 1.5% | 1,154 |
What delays out of YUM were put down to
Airlines file a reason with every arrival running 15 minutes late or more. Across 681 flights that departed YUM and ran 15 minutes late or more, the delay minutes break down with 65.2% put down to airline operations and 21.2% to late-arriving aircraft.
- Late-arriving aircraft 21.2%
- Airline operations 65.2%
- Air traffic & airport volume 8.5%
- Severe weather 5.1%
- Security 0%
Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.
If you are connecting through YUM
Of 5,172 scheduled arrivals into YUM, 83.8% reached the gate less than 15 minutes behind schedule. Of the 791 arrivals that ran late, 54.2% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.
Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.
Busiest routes out of YUM
Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.
YUM in one number
Yuma / Marine Corps Air Station Yuma (YUM)
Rank 205 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: June.
Questions about YUM
- What is the best time of day to fly out of Yuma / Marine Corps Air Station Yuma?
- 6–8am. Departures in that band left on time 93.1% of the time across 1,642 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 12–2pm band was the weakest at 84.6%.
- What is the worst month to fly out of YUM?
- June: 84.3% of the departures that flew left on time, with 358 scheduled. August was the other end of the year at 91.6%. Each figure pools three years of that calendar month.
- Which airline is most on time at YUM?
- Envoy Air — 88.2% of its 1,154 departures from YUM left on time. SkyWest Airlines sat at the other end at 87.7% over 4,018 flights. Only airlines with at least 100 departures here are ranked.
- How often are flights cancelled at YUM?
- 0.7% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.