Flight F91735
Frontier Airlines flight F91735
Looking for F91735 in the air…
Chicago (MDW) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 24% of the time, and when it is late the delay averages 170 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 76.0%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 170 min
- Flights arriving 15+ minutes late
- Flights tracked
- 98
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 48%
- Airline (crew, maintenance, cleaning) 44%
- Air traffic control & airport 7%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
May 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 100.0% | 8 |
| October 2025 | 58.3% | 12 |
| November 2025 | 78.6% | 15 |
| December 2025 | 66.7% | 9 |
| January 2026 | 71.4% | 7 |
| February 2026 | 84.6% | 13 |
| March 2026 | 85.7% | 22 |
| April 2026 | 55.6% | 9 |
| May 2026 | 66.7% | 3 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data