Airlines › Frontier Airlines
Reporting carrier · 12 months to July 2026
Frontier Airlines: on-time performance
BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026.
Frontier Airlines (BTS code F9) reported 209,405 scheduled domestic flights in the 12 months to July 2026, serving 93 airports on 918 routes.
71.6% of its flights arrived on time, 4.4 points below the 76.0% recorded for all reporting carriers together. 1.9% were cancelled (all carriers: 1.8%) and 0.2% diverted; flights that arrived were 13.3 min late on average.
Its busiest airports by departures are Denver (DEN, 11% of departures), Atlanta (ATL, 10% of departures) and Orlando (MCO, 9% of departures).
The on-time share is up 1.0 points on the previous 12 months (70.6%); the cancellation share moved from 2.0% to 1.9%.
Of the delay minutes that carriers assigned to a BTS cause category on its flights, late-arriving aircraft 52%, air carrier 26% and national aviation system 20%.
- On time 71.6%
- Arrived 15+ minutes late 26.3%
- Cancelled 1.9%
- Diverted 0.2%
Against all reporting carriers
| Measure | Frontier Airlines | All reporting carriers | F9, previous 12 months |
|---|---|---|---|
| Arrived on time | 71.6% | 76.0% | 70.6% |
| Departed on time | 72.3% | 76.1% | 72.0% |
| Arrived 15+ minutes late | 26.3% | 21.9% | 27.2% |
| Cancelled | 1.9% | 1.8% | 2.0% |
| Diverted | 0.2% | 0.3% | 0.2% |
| Average arrival delay | 13.3 min | 8.1 min | 14.1 min |
| Arrival delay minutes per 100 flights | 2,277 | 1,684 | 2,279 |
| Scheduled flights | 209,405 | 7,043,858 | 204,724 |
By on-time share, Frontier Airlines is 10 of 13 reporting carriers in the 12 months to July 2026; the full table is on the airline on-time ranking. Year on year: +1.0 pts on time.
Month by month
Busiest airports
| Airport | Departures | Share of carrier | On time | Avg arrival delay | Cancelled | Airport, all carriers |
|---|---|---|---|---|---|---|
| DEN Denver | 22,770 | 10.9% | 77.9% | 4.6 min | 0.7% | 76.1% |
| ATL Atlanta | 20,281 | 9.7% | 62.6% | 23.4 min | 2.3% | 76.6% |
| MCO Orlando | 18,399 | 8.8% | 75.3% | 7.8 min | 1.6% | 73.0% |
| LAS Las Vegas | 12,692 | 6.1% | 75.5% | 7.9 min | 1.3% | 76.8% |
| DFW Dallas/Fort Worth | 10,432 | 5% | 72.6% | 11.2 min | 2.0% | 69.9% |
| PHL Philadelphia | 9,279 | 4.4% | 66.9% | 16.8 min | 2.7% | 73.4% |
| PHX Phoenix | 7,623 | 3.6% | 78.1% | 8.3 min | 1.2% | 77.4% |
| TPA Tampa | 6,555 | 3.1% | 75.8% | 8.6 min | 1.8% | 76.9% |
| CLE Cleveland | 6,392 | 3.1% | 74.1% | 10.8 min | 1.8% | 77.7% |
| LAX Los Angeles | 5,618 | 2.7% | 71.7% | 13.4 min | 1.7% | 79.0% |
| IAH Houston | 5,062 | 2.4% | 68.6% | 16.9 min | 2.2% | 77.6% |
| SJU San Juan | 4,915 | 2.3% | 69.8% | 17.0 min | 2.4% | 75.6% |
| MIA Miami | 4,324 | 2.1% | 72.1% | 11.8 min | 2.3% | 72.3% |
| RDU Raleigh/Durham | 4,268 | 2% | 71.6% | 15.0 min | 2.4% | 77.1% |
| ORD Chicago | 4,176 | 2% | 65.5% | 26.2 min | 3.7% | 69.4% |
| FLL Fort Lauderdale | 3,584 | 1.7% | 61.0% | 27.4 min | 3.3% | 68.9% |
| SLC Salt Lake City | 3,559 | 1.7% | 79.2% | 4.7 min | 1.5% | 83.8% |
| SFO San Francisco | 3,494 | 1.7% | 62.8% | 22.0 min | 2.2% | 75.6% |
| BWI Baltimore | 3,470 | 1.7% | 65.9% | 19.2 min | 3.4% | 76.4% |
| CLT Charlotte | 3,213 | 1.5% | 66.7% | 18.4 min | 3.7% | 74.8% |
| CVG Cincinnati | 3,136 | 1.5% | 77.9% | 7.7 min | 1.3% | 77.6% |
| DTW Detroit | 3,060 | 1.5% | 70.5% | 17.7 min | 1.5% | 75.4% |
| LGA New York | 2,351 | 1.1% | 55.8% | 34.9 min | 6.7% | 69.9% |
| ONT Ontario | 2,258 | 1.1% | 74.5% | 10.1 min | 1.3% | 81.2% |
| JFK New York | 2,249 | 1.1% | 67.6% | 18.9 min | 2.0% | 72.8% |
The 25 airports with the most F9 departures of 93 served. On time means the flight reached its destination less than 15 minutes late; the pill is green when the carrier is at or above the figure for all carriers' departures from that airport (last column).
Busiest routes
| Route | Cities | Flights | On time | Avg arrival delay | Cancelled |
|---|---|---|---|---|---|
| DEN–LAS | Denver to Las Vegas | 1,598 | 75.7% | 9.4 min | 0.9% |
| LAS–DEN | Las Vegas to Denver | 1,595 | 77.0% | 9.0 min | 1.0% |
| PHL–MCO | Philadelphia to Orlando | 1,573 | 67.9% | 23.1 min | 2.5% |
| MCO–PHL | Orlando to Philadelphia | 1,571 | 68.6% | 20.1 min | 2.2% |
| DEN–PHX | Denver to Phoenix | 1,469 | 77.1% | 6.8 min | 0.6% |
| PHX–DEN | Phoenix to Denver | 1,464 | 78.8% | 8.8 min | 0.7% |
| MCO–SJU | Orlando to San Juan | 1,291 | 74.3% | 12.9 min | 1.3% |
| SJU–MCO | San Juan to Orlando | 1,290 | 77.8% | 17.1 min | 1.3% |
| CLE–MCO | Cleveland to Orlando | 1,226 | 74.2% | 16.1 min | 1.4% |
| MCO–CLE | Orlando to Cleveland | 1,225 | 72.7% | 13.1 min | 1.2% |
| ATL–MCO | Atlanta to Orlando | 1,223 | 63.4% | 33.5 min | 2.2% |
| MCO–ATL | Orlando to Atlanta | 1,221 | 65.8% | 16.0 min | 2.1% |
| DFW–DEN | Dallas/Fort Worth to Denver | 1,166 | 76.1% | 9.4 min | 0.9% |
| DEN–DFW | Denver to Dallas/Fort Worth | 1,165 | 74.9% | 8.3 min | 0.8% |
| ATL–PHL | Atlanta to Philadelphia | 1,048 | 60.1% | 28.6 min | 3.0% |
| PHL–ATL | Philadelphia to Atlanta | 1,046 | 64.4% | 15.0 min | 2.6% |
| DEN–SLC | Denver to Salt Lake City | 1,023 | 82.0% | 0.0 min | 0.3% |
| SLC–DEN | Salt Lake City to Denver | 1,023 | 78.5% | 4.7 min | 0.8% |
| DEN–DCA | Denver to Washington | 983 | 77.7% | 3.9 min | 0.7% |
| DCA–DEN | Washington to Denver | 982 | 77.9% | 6.0 min | 0.9% |
| ATL–FLL | Atlanta to Fort Lauderdale | 970 | 62.7% | 21.7 min | 2.5% |
| FLL–ATL | Fort Lauderdale to Atlanta | 969 | 62.5% | 23.1 min | 3.0% |
| ATL–BWI | Atlanta to Baltimore | 924 | 59.3% | 22.9 min | 2.7% |
| BWI–ATL | Baltimore to Atlanta | 924 | 65.8% | 13.2 min | 2.9% |
| ATL–LGA | Atlanta to New York | 919 | 45.6% | 47.5 min | 6.6% |
The 25 routes with the most F9 flights of 918 flown. Figures are for this carrier's flights only; the route pages compare every carrier on the route.
By scheduled departure hour
Delay causes and cancellations
Cancellations by reported reason (4,026 in the period): air carrier 48%, weather 52%, national aviation system 0%, security 0%.
Questions and answers
What is Frontier Airlines's on-time performance?
71.6% of 209,405 scheduled domestic flights in the 12 months to July 2026 arrived less than 15 minutes late. All reporting carriers together recorded 76.0%.
How often does Frontier Airlines cancel flights?
1.9% of its scheduled domestic flights were cancelled in the period, against 1.8% for all reporting carriers.
What causes Frontier Airlines delays?
For flights that arrived 15 or more minutes late, the carrier attributed the delay minutes as follows: late-arriving aircraft 52%, air carrier 26%, national aviation system 20%, extreme weather 3%, security 0%. Carriers assign these categories themselves under BTS rules.
At which airports does Frontier Airlines have its highest on-time share?
Among its 25 busiest airports with at least 600 departures, flights leaving Salt Lake City (SLC) had the highest on-time arrival share at 79.2%, and those leaving New York (LGA) the lowest at 55.8%.
What time of day has the highest on-time share?
Its flights scheduled to depart from 6 am to 7 am local time arrived on time 82.6% of the time; those scheduled from 10 pm to 11 pm did so 60.3% of the time.
Is it getting better?
The on-time share for the 12 months to July 2026 was 71.6%, up 1.0 points on the previous 12 months (70.6%).
Why are some airlines missing?
Only carriers with at least 0.5 percent of domestic scheduled passenger revenue must report on-time data to BTS. Smaller carriers, charter operators and foreign airlines are not in the files, and flights to or from other countries are not covered.
Provenance
Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; carrier name from the BTS unique carrier lookup. US government works in the public domain. The carrier code is the BTS reporting-carrier code, which identifies the company that operated the flight, not the brand it was sold under. Totals and averages only. See the methodology and which airlines report.