وَكَذَلِكَ إِنْ ضَاقَ الْوَقْتُ فَخَشِيَ إِنْ تَوَضَّأَ فَاتَهُ الْوَقْتُ: لَمْ يَتَيَمَّمْ، وَلَكِنَّهُ يَتَوَضَّأُ وَيُصَلِّي فَائِتَتَهُ.
Meaning: Likewise, if time has become short and one fears that wudu would cause the prayer time to pass, one must not perform tayammum merely for that reason. One makes wudu and performs the missed prayer.
The Hanafi legal substitute is tied to a recognized impediment to water, not simply anxiety about remaining clock time.